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EurotestPV

1. ccccceeeeee 6 5 VDC 9 VDC Short circuit current cceeeeee eee max 8 5 mA Test lead compensation up to5 Q 11 3RCD testing 11 3 1 General data Nominal residual current A AC 10 mA 30 mA 100 mA 300 mA 500 mA 1000 mA Nominal residual current accuracy O 0 1 IA IA IAN 2xIAN 5xIAN 0 1 IA 0 IA 0 5xIAN AS NZS selected 5 Test current Shape ccccececeeeee es Sine wave AC pulsed A smooth DC B DC offset for pulsed test current 6 mA typical ROD LY DG irooniana G non delayed S time delayed Test current starting polarity O or 180 Voltage range ccccsecceeceeeceeeeeenes 93 V 134 V 45 Hz 65 Hz 185 V 266 V 45 Hz 65 Hz 97 MI 3108 EurotestPV Technical specifications PAN x 1 2 HAN 1 AN X2_ AN X55 RCD IA AN mA AC A JB fac A Je fac A B AC Ja B AC A B EE ee eO oo too pe ee ee eS a e0 60 ee ee 300 50 35 50 100 141 200 200 282 400 500 707 1000 v v v 300 150 105 150 300 424 600 600 848 na 1500 na na 77 500 250 175 250 500 707 1000 1000 1410 n a 2500 n a na V v v 1000 500 350 500 1000 1410 n a 2000 n a _ n a n a _ n a n a v V naw E E E A E E E not applicable AO 0 01s Dane meee ae ee errr eg eee sine wave test current PNY DC corr en esate pulsed current BVOC serrer nEn EE smooth DC current 11 3 2 Contact voltage
2. C Rs 0 00Q 10 00Q_ __ Serial resistance of PV module __ Selection of PV module type and parameters Keys UP DOWN Selects appropriate option TEST Enters menu for changing type or parameters ESC Function selector Exits back MEM Enters PV module type memory menu Changing a PV module type parameter Keys UP DOWN Sets value data of parameter PV module type TEST Confirms set value data ESC Function selector Exits back PV module type memory menu ADD Enters menu for adding a new PV module type OVERWRITE Enters menu for storing changed data of selected PV module type DELETE Deletes selected PV module type DELETE ALL Deletes all PV module types 34 MI 3108 EurotestPV Instrument operation Keys UP DOWN Selects option TEST Enters selected menu Function selectors Exits back to main function menu lf Add or Overwrite is selected the menu for setting the PV module type name is displayed SALE MODULE SETTINGS Pu module PI module name QUERWE ITE PECETE aL ma HEM SAYE ESC CLR Figure 4 17 Setting name of PV module type Keys AlN Selects a character TEST Selects the next character MEM Confirms new name and stores it in the memory Then returns to Module settings menu ESC Deletes last letter Returns to previous menu without changes lf Delete or Delete all is selected a warning will be displayed SAVE MODULE SETTINGS DELETE Pl MODULES ADL QUERWFE ITE All saved PU m
3. Yaxlan sana ety t gt 1999ms ta lt 300 ms ta lt 150 ms a ta gt 1999 ms 130 ms lt ta lt 500 ms 60 ms lt t lt 200 ms 50 ms lt ta lt 150 ms Trip out times according to AS NZS 3017 es ITS 40 lt 30 gt 999 ms ee o MWM gt 30 IV gt 30 gt 999 ms Minimum test period for current of 2xlan RCD shall not trip out Test current and measurement accuracy correspond to AS NZS 3017 requirements 28 MI 3108 EurotestPV Instrument operation Maximum test times related to selected test current for general non delayed RCD EN 61008 EN 61009 300 ms 300 ms 40 ms Maximum test times related to selected test current for selective time delayed RCD Standard EN 61008 EN 61009 500 ms 500 ms 200 ms 150 ms EN 60364 4 41 1000 ms 1000 ms BS 7671 2000 ms AS NZS 3017 IV 1000 ms 1000 ms 4 4 5 Isc factor SET sc FACTOR In this menu the Isc factor for calculation of short circuit current in Z LINE and Z LOOP measurements can be set Isc factor Figure 4 9 Selection of Isc factor Keys UP DOWN Sets Isc value TEST Confirms Isc value ESC Exits back to settings menu Function selectors Exits back to main menu without changes Short circuit current Isc in the supply system is important for selection or verification of protective circuit breakers fuses over current breaking devices RCDs The default value of Isc factor ksc is 1 00 The val
4. EurotestPV MI 3108 Instruction manual Version 1 1 Code no 20 751 987 S METREL Distributor Manufacturer METREL d d Ljubljanska cesta 77 1354 Horjul Slovenia web site http Awww metrel si e mail metrel metrel si 2012 METREL The trade names Metrel Smartec Eurotest Autosequence are trademarks registered or pending in Europe and other countries No part of this publication may be reproduced or utilized in any form or by any means without permission in writing from METREL MI 3108 EurotestPV Table of contents Table of contents t CTC Soo caterers cere ct cate E vestecemis ne ase sa wecneeweanacaeauseaeas 6 2 Safety and operational CONSIAerations ccc ceeeceeeeeeeceeeeeeeeeneeeeeeeeseeesenesenesenes 7 Zl NVANMINGS ANG NOOS siressa EEE T 22 Ballery aN Charing rrera nena 12 Zo Gondards applied i agua onanmelsnatsuadaat ain aaecsmuteneiundsdatoees 14 3 instrument CES CRI ELON cr wesc whi aie ees is a dea bs es sid eee 16 3 1 FON AUN Sct EN 16 32 CONECO Panel ai lt i2dcacass acacnaacassacadsnadacadanacaiaddentaiadaandanadaasqnandeaadanaiaasianaaaaadganss 17 3a BACK SIGG ia a a a a Gnctaus Mnaieuad ate dareaatenucenutalesnaeeanaate 18 3 4 Carrying the instrument cc cece cece cece ceeeeeece cece cece eeseeeseeeaeeceeeseeeseeeseesseeeaess 19 3 4 1 Secure attachment Of THE SHAN cccseccsescossccssccusccesseesseesseesuessnusseesscesseesseeessecsss 20 3 5 Instrument Set ANd a
5. External DC voltage is detected Measurements in this operating mode are blocked MEE HAE 4 1 4 Results Measurement result is inside pre set limits PASS Measurement result is out of pre set limits FAIL Measurement is aborted Consider displayed warnings and messages OKS 4 1 5 Sound warnings Continuous sound Warning Dangerous voltage on the PE terminal is detected 4 1 6 Help screens HELP Opens help screen Help menus are available in all functions The Help menu contains schematic diagrams for illustrating how to properly connect the instrument to electric installation or PV system After selecting the measurement you want to perform press the HELP key in order to view the associated Help menu Keys in help menu UP DOWN Selects next previous help screen ESC HELP Function selector Exits help menu 23 MI 3108 EurotestPV Instrument operation Figure 4 1 Examples of help screens 4 1 7 Backlight and contrast adjustments With the BACKLIGHT key backlight and contrast can be adjusted Click Toggles backlight intensity level Locks high intensity backlight level until power is turned off or the key is pressed again Keep pressed for 2s Bargraph for LCD contrast adjustment is displayed Keep pressed for 1s Figure 4 2 Contrast adjustment menu Keys for contrast adjustment DOWN Reduces contrast UP Increases contrast TEST Accepts new contrast ESC Exits without changes 4 2
6. No minal v voltage 100V 264V 15Hz 1500Hz tage frequency U 0V0 AAO IE She 0 500Hz 7 7 Nominal voltage 100V 440V 15Hz 500Hz Results 1 2 3 or 2 1 3 Figure 3 5 Bottom Legend 1 Bottom information label 2 Neck belt openings 3 Handling side covers 3 4 Carrying the instrument With the neck carrying belt supplied in standard set various possibilities of carrying the instrument are available Operator can choose appropriate one on basis of his operation see the following examples _ The instrument hangs around operators neck only quick placing and displacing 19 MI 3108 EurotestPV Instrument description The instrument can be used even when placed in soft carrying bag test cable connected to the instrument through the front aperture 3 4 1 Secure attachment of the strap You can choose between two methods Figure 3 6 First method Figure 3 7 Alternative method Please perform a periodical check of the attachment 20 MI 3108 EurotestPV 3 5 Instrument set and accessories 3 5 1 DO Db bbe be Oo Bo Be oe oe eb eo 0 O Standard set MI 3108 Instrument Soft carrying bag 2 pcs PV Safety Probe Pyranometer PV Temperature probe AC DC current clamp Schuko plug test cable Test lead 3 x 1 5 m Test probe 4 pcs Crocodile clip 4 pcs Set of carrying straps PV MC 4 adapter male PV MC 4 adapter female PV MC 3 adapt
7. ccceceeeeeeeeeeeeeeeneeneeees 113 MI 3108 EurotestPV Preface 1 Preface Congratulations on your purchase of the Eurotest instrument and its accessories from METREL The instrument was designed on a basis of rich experience acquired through many years of dealing with electric installation test equipment The Eurotest instrument is a professional multifunctional hand held test instrument intended to perform all the measurements on a c electrical LV installations and d c photovoltaic systems The following measurements and tests can be performed on a c electrical LV installations Voltage and frequency Continuity tests Insulation resistance tests RCD testing Fault loop RCD trip lock impedance measurements Line impedance Voltage drop Phase sequence Earthing resistance tests Current measurements Power harmonics and energy measurements DOODODODODUOUUULUD Measurements and tests on PV systems Voltages currents and power in PV systems Inverter and PV panels Calculation of efficiencies and STC values in PV systems Uoc lsc measurements Environmental parameters Temperature and Irradiance l V curve test Insulation resistance on PV systems DOOoODUL DL The graphic display with backlight offers easy reading of results indications measurement parameters and messages Two LED Pass Fail indicators are placed at the sides of the LCD The operation of the instrument is designed to be as simp
8. 073 0736 50o 0368 0 368 0 584 0 584 63 0 288 0 288 0456 0456 80 0232 0 232 100 100 0 368 0 368 100 0 184 0 184 0 296 0296 125 0 144 0 144 104 MI 3108 EurotestPV Appendix A Fuse table Fuse type D Fuse type BS 1361 Rated Disconnection time s Rated Disconnection time s current 0 4 5 current 04 5 A 14536 1536 5 836 1312 092 092 15 2624 4 16 0 576 0 576 20 Z 1 36 2 24 0456 0456 30 092 1 472 0368 0 368 45 0768 0288 0 288 6 056 0232 0 232 80 04 50 0 184 0 184 100 0 288 a ee 0 144 100 0088 0 088 125 0 072 0 072 Fuse type BS 88 Fuse type BS 1362 Rated Rated current ae ore A A Max loop impedance Q 6 6 816 13 12 18 56 10 4088 5 936 1 936 3 064 6 216 3344 20 1416 2328 Fusetype BS 3036 25 1 152 1 84 Rated Disconnection time s 32 0832 1 472 current 40 108 NA Max loop impedance Q 50 0832 5 6s 0656 15 80 0456 20 100 O 0336 30 1235 0264 45 Oo 1272 160 Y O 6 089 200 f 0152 100 0424 All impedances are scaled with factor 0 8 105 MI 3108 EurotestPV Appendix B Accessories for specific measurements Appendix B Accessories for specific measurements Th
9. EurotestPV Data structure field OBJECT l BLOCK H l FUSE j Mo 26 112 Measurement field line No 275 Data handling Memory operation menu Data structure field a 1 level OBJECT Default location name object and its successive number a 2 level BLOCK Default location name block and its successive number a 3 level FUSE Default location name fuse and its successive number a 001 No of selected element No of measurements in selected location No of measurements in selected location and its sub locations Type of stored measurement in the selected location No of selected test result No of all stored test results in selected location 81 MI 3108 EurotestPV Data handling 8 3 Storing test results After the completion of a test the results and parameters are ready for storing el icon is displayed in the information field By pressing the MEM key the user can store the results Save results PETOBRIECT Ha ELOJBLOCK wel gt FUS FUSE Bel MEM SALUE Figure 8 2 Save test menu Memory free 99 65 Memory available for storing results Keys in save test menu data structure field TAB Selects the location element Object Block Fuse UP DOWN Selects number of selected location element 1 to 199 MEM Saves test results to the selected location and returns to the measuring menu Function selector Exits back to main function menu
10. Function selection For selecting test measurement function within each test mode the FUNCTION SELECTOR keys shall be used Keys Function selector Selects test measurement function UP DOWN Selects sub function in selected measurement function Selects screen to be viewed if results are split into more screens TAB Selects the test parameter to be set or modified TEST Runs selected test measurement function MEM Stores measured results recalls stored results ESC Exits back to main menu 24 MI 3108 EurotestPV Instrument operation Keys in test parameter field UP DOWN Changes the selected parameter TAB Selects the next measuring parameter Function selector Toggles between the main functions MEM Stores measured results recalls stored results General rule regarding enabling parameters for evaluation of measurement test result OFF No limit values indication Parameter Value s results will be marked as PASS or FAIL in ON cae accordance with selected limit See Chapter 5 for more information about the operation of the instrument test functions 25 MI 3108 EurotestPV Instrument operation 4 3 Instruments main menu In instruments main menu the test mode can be selected Different instrument options can be set in the SETTINGS menu a lt INSTALLATION gt a c LV installation testing a lt POWER gt Power amp Energy testing MAIN MENI 16 32 a lt SOLAR gt PV systems testing a lt SETTIN
11. However the trip limit of the RCD may be exceeded as a result of leakage current flowing to the PE protective conductor or a capacitive connection between L and PE conductors a The RCD trip lock sub function function selector switch in LOOP position takes longer to complete but offers much better accuracy of fault loop resistance in comparison to the R_ sub result in Contact voltage function a RCD trip out time and RCD trip out current measurements will only be performed if the contact voltage in the pre test at nominal differential current is lower than the set contact voltage limit a The autotest sequence RCD AUTO function stops when trip out time is out of allowable time period Z LOOP a The low limit prospective short circuit current value depends on fuse type fuse current rating fuse trip out time and impedance scaling factor a The specified accuracy of tested parameters is valid only if the mains voltage is stable during the measurement a Fault loop impedance measurements will trip an RCD a The measurement of fault loop impedance using trip lock function does not normally trip an RCD However the trip limit may be exceeded if a leakage current flows to the PE protective conductor or if there is a capacitive connection between L and PE conductors Z LINE Voltage drop a In case of measurement of Ziine Line with the instrument test leads PE and N connected together the instrument will display a warning of dangerous P
12. Measuring FANGE 20 cece ee eee 0 00 O 20 00 See chapter 5 6 2 Voltage drop for more information about calculation of voltage drop result 11 6 Resistance to earth Measuring range according to EN6155 7 5 is 2 00 Q 1999 Q Measuring range 0 Resolution Q 0 00 19 99 0 01 20 0 199 9 5 of reading 5 digits 200 9999 Max auxiliary earth electrode resistance Rc 100xRe or 50 KQ whichever is lower Max probe resistance Rp ceecseeeeeeeeees 100xRe or 50 kQ whichever is lower Additional probe resistance error at Remax OF Remax 10 of reading 10 digits Additional error at 3 V voltage noise 50 HZ cccceeeeeeees 5 of reading 10 digits Open circuit voltage ccceccceceeeeeeeseeeeeeees lt 15 VAC SMOFE CIPCUIL CUNEN ieectsontte werent a lt 30 mA Test voltage frequency cccccceeceeceeeeeenees 125 Hz Test voltage Shape ccc cceccecceeceeeeeeeeeeeeeees sine wave Noise voltage indication threshold 1 V lt 50 Q worst case Automatic measurement of auxiliary electrode resistance and probe resistance Automatic measurement of voltage noise 11 7 Voltage frequency and phase rotation 11 7 1 Phase rotation Nominal system voltage range 100 Vac 550 Vac Nominal frequency rang 14 Hz 500 Hz Result displayed ccccccceeeseeees 1 2 3 or 3 2 1 95 MI 310
13. RCD Uc Measuring range according to EN 61557 is 20 0 V 31 0V for limit contact voltage 25V Measuring range according to EN 61557 is 20 0 V 62 0V for limit contact voltage 50V Measuring range V Resouton V Accuracy 0 0 19 9 0 1 0 1 15 Of reading 10 digits 20 0 99 9 0 15 of reading The accuracy is valid if mains voltage is stabile during the measurement and PE terminal is free of interfering voltages TES CONC Mk EN max 0 5xlIan Limit contact voltage ccceeeeee 29 V 50V Specified accuracy is valid for complete operating range 11 3 3 Trip out time Complete measurement range corresponds to EN 6155 7 requirements Maximum measuring times set according to selected reference for RCD testing 0 0 40 0 Cd 1 ms For max time see normative references in chapter 4 4 4 RCD standard this specification applies to max time gt 40 ms Test current tekeeesiietouettuenieataee tice te Yoxlan lan 2XlAN OXIAN 5xlan is not available for lan 1000 mA RCD type AC or lan 300 mA RCD types A B 2xlan is not available for lan 1000 mA RCD type A or lan 300 mA RCD type B 1xlan is not available for lan 1000 mA RCD type B Specified accuracy is valid for complete operating range 92 MI 3108 EurotestPV Technical specifications 11 3 4 Trip out current Trip out current Complete measurement range corresponds to EN 6155 7 requirements Measuring range Resolution 0 2xl
14. U and are corrected to STC conditions Irr I src le Nae 1 M U sre SU as ie tM pP U l where l and U4 are measured direct current and voltage at panel lsc is measured short cicuit current of panel Irrste is irradiance at STC Irr is measured irradiance a and B are the current and voltage temperature coeff of panel Tstc is temperature at STC T4 is measured temperature Rs is serial resistance of panel M is number of modules in serial and N is number of modules in parallel 114 MI 3108 EurotestPV Appendix E PV measurements calculated values Us Cal va of curent and vonage tnd onion Us measures dreet current ana vorago apane e measures shorssieat curontot panet ra mses measured irradiance current and voltage temperature coeff of panel temperature at STC measured temperature a serial resistance of panel number of modules in serial number of modules in parallel P STC STC U sic Conversion efficiency 1 panel P STC M N P nom I 2 inverter 115
15. ce Cee 20 2 2 ae ene mene net ee en eRe NO eT te ere a ace nee rer eee 91 11 3 2 Contact Voltage RCOD UGC ciccccccccseccecccsecssnecsseeceeeessuessessseeesseeesseesseessneceseessnses 92 DU TINO I ar r tes ce aaa ave A aoe meio toile ee 92 e TAO SOUE CU A peste tv eseceterione cae os ee eve ndnee N E A E 93 11 4 Fault loop impedance and prospective fault current cccceccseeeeeeeeeeeeeeeees 93 11 4 1 No disconnecting device or FUSE selected ccccccccsecccscccseecceecesecceneecseeesneesaes 93 1142 ROD SCO CO a iarererrecte retrace ea EEn EAEN ENEA EEEE EEEE EET EEEE EEEE EEUE 94 11 5 Line impedance and prospective short circuit current Voltage drop 94 VES RESSON COC re O EE E E ERS 95 11 7 Voltage frequency and phase rotation ccccccccccceccseeceeeceeeceeeseeeaeesaeeeaess 95 Taa PASSO aO aea E E O E 95 r VO dO E E EEE E E EE 96 S F OU a E A E E A E E E E EA ee ere ee 96 11 7 4 Online terminal voltage monitor cccccecccecccseceseecseessueccsueeseesseessuesseeesseessnsesaees 96 11 8 TRMS Clamp Current ccccccccccceeceeeeeceeteeeeeteeeeeeeeeeeeesseteeeeseneteeeeeetaeegees 96 TES FOWE E E E E E E ae eee 97 eO P O O E 98 11 10 1 Accuracy orol Gala eren eee dt et ence eet 98 11 10 2 Panel A OC octet cet reste ee a ia toe paca ectnaaseen ead lereasona aed tanengusaecenced auadsumestontes 98 11 10 3 EV CTS e E naan ia E E E E E A 99 11 10 4 UOC O a e E E A eee 100 11 10 5 Environme
16. connector is 600 V a c 1000 V d c a Maximum allowed voltage between test terminals P C2 C1 is 3 V a Maximum short term voltage of external power supply adapter is 14 V 17 MI 3108 EurotestPV Instrument description 3 3 Back side Figure 3 3 Back panel Legend 1 Battery fuse compartment cover 2 Back panel information label Fixing screws for battery fuse compartment cover C Jea as SS ea Figure 3 4 Battery and fuse compartment Legend 1 Fuse F1 FF 315 mA 1000 V d c Breaking capacity 50 kA 2 High breaking current fuse block 3 Serial number label 4 Battery cells Size AA alkaline rechargeable NiMH 5 Battery holder Can be removed from the instrument 18 MI 3108 EurotestPV Instrument description in nep AEN 61557 6 R Low ENe1857 4 lo mA 30mA 100mA 300mA 500mA 1A R 0 12 No minal voltage 100V 264V 15Hz 1500Hz Test ci min 200mA at 27 Contact voltage Open ict v olta age 6 5V 119 0V Uc 0 0V 0 100 0V Rs 0 000 10 00k 1 Rs Uc lin wo ime n delay eo epee s 500m 40m ap en Uc 0 0V 1100 0V Tripping current 10 0 2010N nit 1 Oln AC 11 50 bn A to Oms m 300ms Uc 0 0V 0 T ova 02 05 caTin6oov A1550 NY 2 Lju pjan nska 77 7 METREL SI 1354 Horjul Measuring and Regulati Tel Sere sean Equi ints ent Man airs rad http www metrel si Hak 4kA
17. leads and current clamp to the item to be tested see figure 7 2 Press the TEST key to start the continuous measurement Press the TEST key again to stop the measurement Store the result by pressing the MEM key optional HARMONICS nA Uh Figure 7 5 Examples of Harmonics measurement results Displayed results for the Harmonics measurements BI ape TRMS voltage of selected harmonic iseset TRMS current of selected harmonic THDU voltage total harmonic distortion THODI voltage total harmonic distortion Notes a Parameters input and number of harmonic can be changed and results can also be stored while the measurement is running a Displayed graph is auto ranged 7 3 Scope The Scope function is intended to check the shape of voltage and current see chapter 4 2 Function selection for SCOPE U instructions on key functionality Figure 7 6 Scope menu Settings and parameters in Scope function Displayed parameters voltage U or current or both 76 MI 3108 EurotestPV Measurements Power amp energy Connection for the Scope measurement See figure 7 2 Scope measurement procedure Select Nje sub function using the function selector keys and Up Down keys Connect voltage test leads and current clamp to the instrument Connect the voltage test leads and current clamp to the item to be tested see figure 7 2 Press the TEST key to start the continuous measurement Press the TEST key a
18. loop impedance Measuring range according to EN 61557 is 0 46 Q 9 99 kQ Measuring range Q Resolution Q 0 00999 TT UE 5 of reading 10 digits 10 0 99 9 100 999 A 1 00 k 9 99 k A Accuracy may be impaired in case of heavy noise on mains voltage Prospective fault current calculated value Consider accuracy of fault E loop resistance measurement Nominal voltage range c88 93 V 134 V 45 Hz 65 Hz 185 V 266 V 45 Hz 65 Hz No trip out of RCD R XL values are indicative 11 5Line impedance and prospective short circuit current Voltage drop Line impedance Measuring range according to EN 61557 is 0 25 Q 9 99kQ Measuring range O Resolution O 0 00 9 99 a a 1002999 o1 C ofreading gt digits 100 999 Pt fook 999k OJ TORE Prospective short circuit current calculated value Measuring range A Resolution A 0 00 0 99 0 01 1 0 99 9 Consider accuracy of line 100 999 a resistance measurement 1 00 k 99 99 k es 100 O Test current at 230 V eee 6 5 A 10 ms Nominal voltage range c08 93 V 134 V 45 Hz 65 Hz 185 V 266 V 45 Hz 65 Hz 321 V 485 V 45 Hz 65 Hz 94 MI 3108 EurotestPV Technical specifications R XL values are indicative Voltage drop calculated value Measuring range Resolution 0 0 99 9 Consider accuracy of line impedance measurement s ZREF
19. the 40 function using the function selector keys set sub function RCDt Set test parameters if necessary Connect test cable to the instrument Connect test leads to the item to be tested see figure 5 17 Press the TEST key to perform the measurement Store the result by pressing the MEM key optional Figure 5 19 Example of trip out time measurement results Displayed results Utena Trip out time loaner Contact voltage for rated lan 4 MI 3108 EurotestPV Measurements a c LV installations 5 4 3 Trip out current RCD I A continuously rising residual current is intended for testing the threshold sensitivity for RCD trip out The instrument increases the test current in small steps through appropriate range as follows Slope range Waveform RCD type Start value Endvalue A lan gt 30 mA Pulsed A lan 10 mA oe B O 0 2xlw 22xly DGC Maximum test current is I trip out current or end value in case the RCD didn t trip out Trip out current measurement procedure Select the e78 function using the function selector keys Set sub function RCD I Set test parameters if necessary Connect test cable to the instrument Connect test leads to the item to be tested see figure 5 17 Press the TEST key to perform the measurement Store the result by pressing the MEM key optional ei SiimA SG 1 24 20 na oita iU tie Bms M L PE wE nn Figure 5 20 Tri
20. to earth Part 6 Residual current devices RCDs in TT and TN systems Part 7 Phase sequence Part 10 Combined measuring equipment Part 12 Performance measuring and monitoring devices PMD Reference standards for electrical installations and components EN 61008 EN 61009 EN 60364 4 41 BS 7671 AS NZS 3017 Residual current operated circuit breakers without integral overcurrent protection for household and similar uses Residual current operated circuit breakers with integral overcurrent protection for household and similar uses Electrical installations of buildings Part 4 41 Protection for safety protection against electric shock IEE Wiring Regulations 17 edition Electrical installations Verification guidelines Reference standard for photovoltaic systems EN 62446 Grid connected photovoltaic systems Minimum requirements for system documentation commissioning tests and inspection 14 MI 3108 EurotestPV Safety and operational considerations Note about EN and IEC standards a Text of this manual contains references to European standards All standards of EN 6XXXX e g EN 61010 series are equivalent to IEC standards with the same number e g IEC 61010 and differ only in amended parts required by European harmonization procedure 15 MI 3108 EurotestPV Instrument description 3 Instrument description 3 1 Front panel Legend 1 LCD 2 UP 3 DOWN 4 TEST 5 ESC 6 TAB Backlight Contra
21. 2 a N L 2 PE L iN Figure 5 13 Shorted test leads prolongation lead Compensation of test leads resistance procedure Select paMelille or ofe TENA function Connect test cable to the instrument and short the test leads together see figure 5 13 Press TEST to perform resistance measurement Press the CAL key to compensate leads resistance CALIBRATION CALIBRATION RLN 0 000 Figure 5 14 Results with old calibration Figure 5 15 Results with new calibration values values Note a The highest value for lead compensation is 5 Q If the resistance is higher the compensation value is set back to default value CAL is displayed if no calibration value is stored 44 MI 3108 EurotestPV Measurements a c LV installations 5 4 Testing RCDs Various test and measurements are required for verification of RCD s in RCD protected installations Measurements are based on the EN 61557 6 standard The following measurements and tests Sub functions can be performed Contact voltage Trip out time Trip out current RCD autotest DoOoOodt See chapter 4 2 Function selection for instructions on key functionality a 2326 0 of i 232 Figure 5 16 RCD test Test parameters for RCD test and measurement TEST RCD sub function test RCDt RCD I AUTO Uc LAN Rated RCD residual current sensitivity lan 10 mA 30 mA 100 mA 300 mA 500 mA 1000 mA Pig G 5 test cur
22. 3108 EurotestPV Measurements a c LV installations 5 8 PE test terminal lt can happen that a dangerous voltage is applied to the PE wire or other accessible metal parts This is a very dangerous situation since the PE wire and MPEs are considered to be earthed An often reason for this fault is incorrect wiring see examples below When touching the TEST key in all functions that requires mains supply the user automatically performs this test Examples for application of PE test terminal L1 N DE pp Reversed phase and protection conductors THE MOST DANGEROUS ISITUATION lt Reversed phase and 1 protection conductors PE L3 lt lt i MOSTDANGEROUS VENIN N SITUATION b SX eA A Figure 5 37 Reversed L and PE conductors application of 3 wire test lead 60 MI 3108 EurotestPV Measurements a c LV installations PE terminal test procedure Connect test cable to the instrument Connect test leads to the item to be tested see figures 5 36 and 5 37 Touch PE test probe the TEST key for at least one second lf PE terminal is connected to phase voltage the warning message is displayed instrument buzzer is activated and further measurements are disabled in Zloop and RCD functions Warning E If dangerous voltage is detected on the tested PE terminal immediately stop all measurements find and remove the fault Notes E m Q
23. 5 1 Clearing complete memory content sccccssccseecceeecseecsesessuecsesecsueesusessuetsnsseaaes 84 8 5 2 Clearing measurement s in selected location ccccccseeceecsneecseeseeecseessnseeaees 84 8 5 3 Clearing individual measurements c scccceeecseccsnsecsuecsuscsauessusessueesusensuessnseaaaes 85 8 5 4 Renaming installation structure elements upload from PC cccccccseceseeeeseeeees 86 8 5 5 Renaming installation structure elements with barcode reader or RFID reader 86 OOo MOM UIC AMO npanatenstencsccseadren cots E E E O 87 9 Upgrading the Instrument aicnicannii Y 88 10 NMI aITICE FV AING Coie aoc cca cecceiteicesaceacennanecaciiewawhdewasastauetwasscesswasbaaeauesseasswsstdavaeustassewcenes 89 10 1 FUSEFEDIACEINENivaziorvoedsinvard deeraecsorandsvardsdeataediaedievenaonor aaa 89 1O lt gt gi po eee eee ere eee ne ene en en en eRe eee er ree ae eer 89 10 3 PEROGIS CAND QNOM xriscacatarcacvchanaecvcbesaauuubassdcuubasadusakescaubebesaiacubetadscesuuaeaanmbugurede 89 TO NVC E eee ee AA ee ee ee eee eee 89 11 TECHAIEAl specications aruinn thawte eee 90 11 1 Insulation resistance Insulation resistance of PV systems cccceeeeeees 90 MZ ON eg xc race ce E E nine gee ance ace aoe E feted 91 VEZ FRESISTAICO RLOW O einn sootota tines aeidon A AER 91 1122 PSSN CONTINUITY artistene E 91 jc RODIE SIN a ee reer On one in nen en eon ee ene eee een ener 91 MI 3108 EurotestPV Table of contents i
24. 5 32 Earth resistance Test parameters for earth resistance measurement Maximum resistance OFF 1Q 5 kQO Connections for earth resistance measurement F ES T KSN a RY gt 5d d Figure 5 33 Resistance to earth measurement of main installation earthing 58 MI 3108 EurotestPV Measurements a c LV installations Figure 5 34 Resistance to earth measurement of a lighting protection system Earth resistance measurements common measurement procedure Select sama function using the function selector keys Enable and set limit value optional Connect test leads to the instrument Connect the item to be tested see figures 5 33 5 34 Press the TEST key to perform the measurement Store the result by pressing the MEM key optional r 13 820 Resi Skit REH aki Figure 5 35 Example of earth resistance measurement result Displayed results for earth resistance measurement I A Earth resistance ESO aston Resistance of S potential probe EO N Resistance of H current probe Notes a High resistance of S and H probes could influence the measurement results In this case Rp and Rc warnings are displayed There is no pass fail indication in this case a High noise currents and voltages in earth could influence the measurement results The tester displays the HiH warning in this case a Probes must be placed at sufficient distance from the measured object 59 MI
25. 8 EurotestPV Technical specifications 11 7 2 Voltage Measuring range V Resolution V 0 550 tt 2 of reading 2 digits PROSUIU LY DG osanaan True r m s trms Nominal frequency rang 0 Hz 14 Hz 500 Hz 11 7 3 Frequency Measuring range Hz Resolution Hz 0 00 9 99 0 01 0 10 0 499 9 0 2 of reading 1 digit Nominal voltage range 088 10 V 550 V 11 7 4 Online terminal voltage monitor Measuring range V Resolution V 10 550 Tf 2 Of reading 2 digits 11 8 TRMS Clamp current Instrument Maximum voltage on C1 and P C2 measuring inputs 3 V Nominal frequency ccceceeeeeees 0 Hz 40 Hz 500 Hz AC current clamp A1018 Range 20 A Measuring range A Resolution A 0 0 m 99 9 m 5 of reading 5 digits 100 m 999 m 3 of reading 3 digits 1 00 19 99 3 of reading Range 200 A Measuring range A Resolution A 0 00 0 09 indicative 0 10 19 99 3 of reading 3 digits 20 0 199 9 3 of reading AC current clamp A1019 Range 20A Measuring range A Resolution A 0 0 m 99 9 m 100 m 999 m 5 of reading 1 00 19 99 3 of reading 96 MI 3108 EurotestPV Technical specifications Range 200A 2 00 19 99 3 of reading 3 digits 20 0 199 9 3 of reading AC DC current clamp A1391 Range 40A 2 00 19 99 0 01 3 of reading R
26. A Line impedance at measured point Zref Reference impedance Voltage drop is calculated as follows Au Zeer ly 100 N where AUein calculated voltage drop TAEA impedance at test point PRES amin impedance at reference point Iiis rated current of selected fuse UN nominal voltage see table below Input voltage range L N or L1 L2 400 V Notes a Ifthe reference impedance is not set the value of Zrer is considered as 0 00 Q a The Zrer is cleared set to 0 00 Q if pressing CAL key while instrument is not connected to a voltage source Q Isc is calculated as described in chapter 5 6 1 Line impedance and prospective short circuit current a If the measured voltage is outside the ranges described in the table above the AU result will not be calculated a High fluctuations of mains voltage can influence the measurement results the noise sign HiH is displayed in the message field In this case it is recommended to repeat few measurements to check if the readings are stable 5 MI 3108 EurotestPV Measurements a c LV installations 5 Earth resistance Earth resistance is one of the most important parameters for protection against electric shock Main earthing arrangements lightning systems local earthings etc can be verified with the earthing resistance test The measurement conforms to the EN 61557 5 standard See chapter 4 2 Function selection for instructions on key functionality Figure
27. E voltage The measurement will be performed anyway a Specified accuracy of tested parameters is valid only if mains voltage is stable during the measurement a L and N test terminals are reversed automatically according to detected terminal voltage except in UK version Power Harmonics Energy Current a Before starting any Power measurement the current clamp settings in Settings menu should be checked Select appropriate current clamp model and measuring range that are best fitted to the expected current values a Consider polarity of current clamp arrow on test clamp should be oriented toward connected load otherwise result will be negative PV measurements a A 1384 PV Safety Probe must be used for PANEL UOC ISC IV INVERTER AC DC and ISO PV measurements o A1385 PV test lead must be used for INVERTER AC DC measurements 10 MI 3108 EurotestPV Safety and operational considerations a Before starting a PV measurement the settings of PV module type and PV test parameters should be checked a Environmental parameters Irr T can be measured or entered manually a Environmental conditions irradiance temperature must be stable during the measurements a For calculation of STC results measured Uoc Isc values irradiance temperature ambient or cell and PV module parameters must be known Refer to Appendix E for more information a Always perform zeroing of DC current clamps before test 11 MI 3108 Eurotes
28. EurotestPV Data handling 8 5 Clearing stored data 8 5 1 Clearing complete memory content Select CLEAR ALL MEMORY in MEMORY menu A warning will be displayed CLEAR ALL MEMORY All saved results will be los Figure 8 6 Clear all memory Keys in clear all memory menu TEST Confirms clearing of complete memory content YES must be selected with A vY keys Function selector Exits back to main function menu without changes CLEARING MEMORT Figure 8 7 Clearing memory in progress 8 5 2 Clearing measurement s in selected location Select DELETE RESULTS in MEMORY menu DELETE FESULT Se DETIORIECT Baz DELETE RESULTS DEJ OEJECT An ELO ELOCE Bil gt FUS FUSE Hel Figure 8 8 Clear measurements menu data structure field selected Keys in delete results menu installation structure field selected TAB Selects the location element Object Block Fuse UP DOWN Selects number of selected location element 1 to 199 Function selector Exits back to main function menu ESC Exits back to memory menu TEST Enters dialog box for deleting all measurements in selected location and its sub locations 84 MI 3108 EurotestPV Data handling Keys in dialog for confirmation to clear results in selected location TEST Deletes all results in selected location MEM ESC Exits back to delete results menu without changes Function selector Exits back to main function menu without changes 8 5 3 Clearing in
29. Function selector Exits back to main menu without changes Note a Measuring range of the instrument must be considered Measurement range of current clamp can be higher than of the instrument 4 4 9 Synchronization A 1378 PV Remote unit The main purpose of the synchronization is to get correct values of temperature and irradiance for calculation of STC measurement results During the PV tests the displayed STC results are calculated on base of set or measured environmental data in the instrument s Environmental menu These values are not necessarily measured at the same time as other measurements synchronization of time stamps enables to later update the PV measured results with enviromental data that were measured simultaneously with the A 1378 PV Remote unit Stored STC values are then corrected accordingly Selecting this option will allow synchronization of data between the instrument and PV Remote unit i SYNC TIME Figure 4 13 Synchronize menu 32 MI 3108 EurotestPV Instrument operation Data to be synchronized TIME Instruments time and date will be uploaded to the PV Remote unit RESULT Values of measured environmental parameters will be downloaded to the instrument Saved STC results will be corrected accordingly Keys UP DOWN selects data to be synchronized TEST synchronizes data Follow the information on the LCD If the synchronization succeeded a confirmation beep will follow after short and mess
30. GS gt Instrument settings POWER SETTINGS Figure 4 3 Main menu Keys UP DOWN Selects appropriate option TEST Enters selected option 4 4 Settings Different instrument options can be set in the SETTINGS menu Options are a Recalling and clearing stored results a Selection of language a Setting the date and time a Selection of reference standard for SETTINGS 13254 RCD tests a Entering Isc factor Sn Teen NGL a Commander support pee Q Setting the instrument to initial values a Settings for current clamps Q Menu for synchronization with PV 7 Sid ie messirements Figure 4 4 Options in Settings menu Keys UP DOWN Selects appropriate option TEST Enters selected option ESC Exits back to main menu Function selector 26 MI 3108 EurotestPV Instrument operation 4 4 1 Memory In this menu the stored data can be recalled or DELETE RESULTS deleted See chapter 8 Data handling for more information CLEAR ALL MEMORY Figure 4 5 Memory options Keys UP DOWN Selects option TEST Enters selected option ESC Exits back to settings menu Function selector Exits back to main menu without changes 4 4 2 Language In this menu the language can be set ENGLISH SLOVENSKO DEUTSCH ESPANOL I FRANCAIS Figure 4 6 Language selection Keys UP DOWN Selects language TEST Confirms selected language and exits to settings menu ESC Exits back to settings menu Function selector Exits back
31. PE test terminal is active in the INSTALLATION operating mode except in the VOLTAGE Low ohm Earth and Insulation functions PE test terminal does not operate in case the operators body is completely insulated from floor or walls For operation of PE test terminal on commanders refer to Appendix D Commanders 61 MI 3108 EurotestPV Solar measurements PV systems 6 Solar measurements PV systems The following measurements for verification and troubleshooting of PV installations can be performed with the instrument a Insulation resistance on PV systems PV inverter test PV panel test Environmental parameters Open voltage and short circuit test l V curve test DOoOvo DL 6 1 Insulation resistance on PV systems The Insulation resistance measurement is performed in order to ensure safety against electric shock through insulation between live and earthed parts on PV installations ISO Pl ee See chapter 4 2 Function selection for instructions on a key functionality The input voltages is displayed in a order to check proper connection before carrying out Imi Y Figure 6 1 Insulation resistance Test parameters for insulation resistance measurement on PV systems Test voltage 50 V 100 V 250 V 500 V 1000 62 MI 3108 EurotestPV Solar measurements PV systems Test circuits for insulation resistance on PV systems Figure 6 2 Connections for insulation resistance measurement on PV systems Insula
32. TEST Notes a The instrument offers to store the result to the last selected location by default a Ifthe measurement is to be stored to the same location as the previous one just press the MEM key twice 82 MI 3108 EurotestPV Data handling 8 4 Recalling test results Press the MEM key in a main function menu when there is no result available for storing or select MEMORY in the SETTINGS menu RECALL FESULT LEJ OBJECT Ha ELO BLOCK Bel RECALL FESULT FUS FUSE el Ho S45 kE LOWS Figure 8 3 Recall menu installation Figure 8 4 Recall menu measurements structure field selected field selected Keys in recall memory menu installation structure field selected TAB Selects the location element Object Block Fuse UP DOWN Selects number of selected location element 1 to 199 Function selector ESC Exits back to main function menu TEST Enters measurements field Keys in recall memory menu measurements field UP DOWN Selects the stored measurement TAB ESC Returns to installation structure field Function selector Exits back to main function menu TEST View selected measurement results Figure 8 5 Example of recalled measurement result Keys in recall memory menu measurement results are displayed UP DOWN Displays measurement results stored in selected location MEM ESC Returns to measurements field Function selector TEST Exits back to main function menu 83 MI 3108
33. The contact voltage is measured with a test current lower than 2 lan to avoid trip out of the RCD and then normalized to the rated Ian Contact voltage measurement procedure Select the 40B function using the function selector keys Set sub function Uc Set test parameters if necessary Connect test cable to the instrument Connect test leads to the item to be tested see figure 5 17 Press the TEST key to perform the measurement Store the result by pressing the MEM key optional The contact voltage result relates to the rated nominal residual current of the RCD and is multiplied by an appropriate factor depending on RCD type and type of test current The 1 05 factor is applied to avoid negative tolerance of result See table 5 1 for detailed contact voltage calculation factors Contact voltage Uc any pA Gl 14x1 05xIn 2 30 mA 2x1 4x1 05xlan Table 5 1 Relationship between Uc and lan B B 46 MI 3108 EurotestPV Measurements a c LV installations Loop resistance is indicative and calculated from Uc result without additional proportional factors according to R ee In ue O 3v klesi Figure 5 18 Example of contact voltage measurement results Displayed results GUO raas Contact voltage 5 eee Fault loop resistance 5 4 2 Trip out time RCDt Trip out time measurement verifies the sensitivity of the RCD at different residual currents Trip out time measurement procedure Select
34. a In case of a fault in the measuring system wires devices connections measuring instrument accessories presence of flammable gases very high moisture or heavy dust an electrical arc can occur that will not extinguish by itself Arcs can lead to fire and can cause heavy damage Users must be skilled to disconnect the PV system safely in this case Insulation resistance Insulation resistance of PV systems a Insulation resistance measurement should only be performed on de energized objects a Do not touch the test object during the measurement or before it is fully discharged Risk of electric shock MI 3108 EurotestPV Safety and operational considerations a When an insulation resistance measurement has been performed on a capacitive object automatic discharge may not be done immediately The warning message and the actual voltage are displayed during discharge until voltage drops below 10 V Continuity functions a Continuity measurements should only be performed on de energized objects a Parallel loops may influence on test results Testing PE terminal a If phase voltage is detected on the tested PE terminal stop all measurements immediately and ensure the cause of the fault is eliminated before proceeding with any activity Notes related to measurement functions General a The indicator means that the selected measurement cannot be performed because of irregular conditions on input terminals a Insulation resista
35. aeeneeneeeees 37 5 1 Voltage frequency and phase SEQUENCE cccceeccecesecceeteeeeeteeeeeeeeeeeeeaaes 37 52 I s laton resistaNGE ricevere erare an ei EERENS 39 5 3 Resistance of earth connection and equipotential bonding cceceeeee ees 41 5 3 1 R LOW 200 mA resistance M ASUeEMEN cccececeececeecececeenecececeatanensneaees 41 9 3 2 Continuous resistance measurement with low CUITENL cccccceeceeeceeeeeeeseeeneeees 42 I3 Compensation of test leads resistance ccccccccccnecceceeeeeceeeeeeeceeceeeeeeenesnesseeens 43 J4 Tesu RODS ee ee a ee ee 45 5 4 1 CORTACE volage RCD UC sachet tes eet entice ented aah ee eee eet 46 5 4 2 TOLD OUE AVS RO O ics r EEEO sam etn tat ae dnl A 47 MI 3108 EurotestPV Table of contents 5 4 3 TTIP OUUCUITERT RCD I saeco sctdcsndiouerdteiesieneeneigacadeashdeeaiedceninbennayendeueniete aibeedasees 48 5 4 4 REDAU chs Game anaes ier Pe ARR Re RR Ee Oe ORE NAY SOONERS EN Oe Ser ENA OE TOR Ce 49 5 5 Fault loop impedance and prospective fault current ccceeeeeeeeeeeeeeeeeenees 52 5 6 Line impedance and prospective short circuit current Voltage drop 54 5 6 1 Line impedance and prospective Short circuit CUITONL 1cccccccceeceecneeneneeseeenenes 59 5 6 2 Voador Dorana E ESA 56 Dr EES S CO EA EEE E E EEA 58 2o PECSI E T E TT A T E T 60 6 Solar measurements PV systems ccccceeeceeeeeeeeeeeeeneeeneceeeeeesenesenesensseeesee
36. ages ESC Exits back to settings menu Function selector Exits back to main menu Connection for synchronization MI 3108 A 1378 CH1 CH2 CH3 USB RS232 EXT DE Figure 4 14 Connection of the instruments during synchronization Note a Refer to A 1378 PV Remote unit user manual for more information 4 4 10 Solar settings In Solar settings parameters of PV modules SOLAR SETTINGS and settings for PV measurements can be MODULE SETTINGS set Figure 4 15 Solar settings Keys UP DOWN Selects option TEST Enters menu for changing parameters ESC Exits back to settings menu Function selector Exits back to main menu without changes 33 MI 3108 EurotestPV Instrument operation PV module settings Parameters of PV modules can be set in this menu A database for up to 20 PV modules can be created edited Parameters are used for calculation of STC values Figure 4 16 PV module settings menu Parameters of PV module Module PV modulername _ _ _ Pmax 1 W 1000W_ Nominal power of PV module _ _ _ Umpp 10 0V 100V_ Voltage on maximum power point Impp _ 0 20A 15 00A_ Currenton maximum power point _ oc 10 0V 100V_ Open circuit voltage of module _ Isc 0 20A 15 00A___ Short circuit current of module _ 20 0 C 100 0 C alfa 0 01 mA C 9 99 mA C__ Temperature coefficientoflsc beta 0 999 V C 0 001 V C__ Temperature coefficient of Uoc _ _ gamma _ 0 99 C 0 01
37. am on the PC automatically identifies the instrument and enables data transfer between the instrument and the PC There are two communication interfaces available on the instrument USB or RS 232 The instrument automatically selects the communication mode according to detected interface USB interface has priority PS 2 RS 232 cable minimum connections 1 to 2 4 to 3 3 to 5 PS 2 for MI 3125 9 pin D female for PC Figure 8 14 Interface connection for data transfer over PC COM port How to transfer stored data RS 232 communication connect a PC COM port to the instrument PS 2 connector using the PS 2 RS232 serial communication cable USB communication connect a PC USB port to the instrument USB connector using the USB interface cable Switch on the PC and the instrument Run the EurolinkPRO program The PC and the instrument will automatically recognize each other The instrument is prepared to download data to the PC The program EurolinkPRO is a PC software running on Windows XP Windows Vista and Windows 7 Read the file README _EuroLink txt on CD for instructions about installing and running the program Note a USB drivers should be installed on PC before using the USB interface Refer to USB installation instructions available on installation CD 87 MI 3108 EurotestPV Upgrading the instrument 9 Upgrading the instrument The instrument can be upgraded from a PC via the RS232 communication port This enab
38. an 1 1xlan AC type 0 05xlan 0 2xlan 1 5xlan A type lan 230 mA 0 05xlan 0 2xlan 2 2xlan A type lan lt 30 mA 0 05xlan 0 2xlan 2 2xlan B type 0 05xlaN Trip out time Measuring range ms Resolution ms Accuracy 0 300 Contact voltage Measuring range V Resolution V Accuracy 0 0 19 9 0 15 of reading 10 digits 0 15 of reading The accuracy is valid if mains voltage is stabile during the measurement and PE terminal is free of interfering voltages Trip out measurement is not available for lan 1000 mA RCD type B Specified accuracy is valid for complete operating range 11 4Fault loop impedance and prospective fault current 11 4 1 No disconnecting device or FUSE selected Fault loop impedance Measuring range according to EN 61557 is 0 25 Q 9 99kQ Measuring range Q Resolution Q 0 00 9 99 0 01 10 0 99 9 ee oe 100 999 0 Prospective fault current calculated value Measuring range A Resolution A 0 00 9 99 0 01 10 0 99 9 Consider accuracy of fault loop resistance measurement 100 999 1 00 k 9 99 k 10 0 k 23 0 k The accuracy is valid if mains voltage is stabile during the measurement Test current at 230 V eee 6 5 A 10 ms Nominal voltage range c08 93 V 134 V 45 Hz 65 Hz 185 V 266 V 45 Hz 65 Hz 93 MI 3108 EurotestPV Technical specifications 11 4 2 RCD selected Fault
39. ange 300 A Accuracy al Accuracy at operating conditions for instrument and current clamp is given 11 9 Power tests Measurement characteristics Function symbols Class according to Measuring range IEC 61557 12 E 5 100 Inom 5 100 Inom 5 100 Inom 0 20 Unom 0 20 Unom 0 100 Inom 0 100 Inom L Inom depends on set current sensor type and selected current range A 1018 A1019 20 A or 200 A A 1391 40 A or 300 A 97 MI 3108 EurotestPV Technical specifications Note a Error of external voltage and current transducers is not considered in this specification Power P S Q Measuring range is from 0 00 W VA Var to 99 9 kW kVA kVar Power factor Measuring range is from 1 00 to 1 00 Voltage harmonics Measuring range is from 0 1 V to 500 V Voltage THD Measuring range is from 0 1 to 99 9 Current harmonics and Current THD Measuring range is from 0 00 A to 199 9A Energy Measuring range is from 0 000 Wh to 1999 kWh Measurement is performed continuously without gaps Notes a Error of external voltage and current transducers is not considered in this specification a Accuracy values for Energy are valid if gt 0 2 Imax Imax is set in ENERGY measuring menu 11 10 PV tests 11 10 1 Accuracy of STC data Accuracy of STC values is based on accuracy of measured electrical quantities accuracy of environmental parameters and entered param
40. ccessories cccecceeeeeceeeeceeceeceececeecsesseseeeeceeeesaeeeeeeees 21 3 5 1 Slandard Set M S10 icin suis ahs a als larala rete bot ancl cears aa A ArT 21 3 082 Optional aACCeSSONCS sj siete sh a a A 21 4 instrument CDC AU OM eiccieciiieasclac senses encdacitewharedawsiden ewdar hewn haere eee 22 4 1 LVS Oey eNO UIE ee E E A R 22 4 1 1 PON INal yolage MONLO asr reesi a a 22 4 1 2 Battery WADI CAUION eeen r re E E T ET E E 22 4 1 3 MOS SAJO N a a E ay eT a OA 22 4 1 4 R S ONES rooit E AEEA E 23 4 1 5 SOLA WANAAO S enai e aa e A E tbasuancduaeed 23 4 1 6 HED SCICONS Soesi r T E T a Oe 23 4 1 7 Backlight and contrast adjustments 00aaanannannannnnnnnnnnnnnnnnnnnnnnnnnnnnnrnnnnnnnnnnne 24 42 FUNCHOM SEleCUON ecrin a a a a a aea 24 A Moerumene man MeN si Taa A T A Gotan dans 26 Wa WING a E 26 4 4 1 MOOV ee eee ee A O E S 27 4 4 2 LANGUAGE Sois E N E nes eseteeaaeiesadiaioses 27 4 4 3 RANCUNE ena S Done E A dara NE 2 4 4 4 FLD STATION Ovaries once nah diate edna E an teten eee enna eee 28 4 4 5 ISC TACO teufel ae aa eros ae eo eee 29 4 4 6 Commander SUD DOME reestrini ne E AE ETET OERO AE 29 4 4 1 aS SENGS se eE A E E EEE AREE a 30 4 4 8 Clamp Seting S eiersiden A E T tala eam sehie an sad enone 31 4 4 9 Synchronization A 1378 PV Remote unit ccccccccecccseecceeceseeeseeeeeeesseeeseesseeees 32 LAIO DAA SENG S naaa a a 33 5 Measurements a c LV installations cccccceeeeeeeceeeeeeeeeeeneeneensees
41. clamp to the item to be tested see figure 7 2 Press the TEST key to start the continuous measurement Press the TEST key again to stop the measurement Store the result by pressing the MEM key optional Figure 7 3 Power measurement results Displayed results for the Power measurements FP sevanaueagask active power Selene apparent power O aair reactive power capacitive or inductive PF power factor capacitive or inductive THDU voltage total harmonic distortion Notes a Consider polarity and setup of current clamps see chapter 4 4 8 Clamp settings a Results can also be stored while the measurement is running 7 2 Harmonics Harmonics are components of the voltage and currents signal with an integer multiple of the fundamental frequency The harmonic values are an important parameter of power quality HARMONICS U Eo Uh See chapter 4 2 Function selection for instructions on key functionality Figure 7 4 Harmonics menu Settings and parameters in Harmonics function Displayed parameters voltage U or current I Selected harmonic o R lial Selected harmonic 19 MI 3108 EurotestPV Measurements Power amp energy Connection for the Harmonics measurement See figure 7 2 Harmonics measurement procedure Select Watie tess sub function using the function selector keys and A Y keys Connect voltage test leads and current clamp to the instrument Connect the voltage test
42. d the same as for general type RCD Modifications of the chapter 5 4 Test parameters for RCD test and measurement TEST RCD sub function test RCDt RCD I AUTO Uc lon Rated RCD residual current sensitivity lan 10 mA 30 mA 100 mA 300 mA 500 mA 1000 mA type RCD type C 6 5 test current waveform plus starting polarity PX amp 2 Multiplication factor for test current 2 1 2 5 l n Conventional touch voltage limit 25 V 50 V Note a Ulim can be selected in the Uc sub function only The instrument is intended for testing of general _ G non delayed and selective time delayed RCDs which are suited for a Alternating residual current AC type marked with lt symbol a Pulsating residual current A type marked with lt symbol a DC residual current B type marked with symbol Time delayed RCDs demonstrate delayed response characteristics They contain residual current integrating mechanism for generation of delayed trip out However 108 MI 3108 EurotestPV Appendix C Country notes contact voltage pre test in the measuring procedure also influences the RCD and it takes a period to recover into idle state Time delay of 30 s is inserted before performing trip out test to recover type RCD after pretests and time delay of 5 s is inserted for the same purpose for G type RCD Modification of the chapter 5 4 1 RCD type Contact voltage Uc Rat
43. dividual measurements Select DELETE RESULTS in MEMORY menu Sa DETOBRBIECT AAZ ELOJBLOCK Al FUSJFUSE Be Ho 35 F Laws Figure 8 9 Menu for clearing individual measurement installation structure field selected Keys in delete results menu installation structure field selected TAB Selects the location element Object Block Fuse UP DOWN selects number of selected location element 1 to 199 Function selector Exits back to main function menu ESC Exits back to memory menu MEM Enters measurements field for deleting individual measurements Keys in delete results menu measurements field selected UP DOWN Selects measurement TEST Opens dialog box for confirmation to clear selected measurement TAB ESC Returns to installation structure field Function selector Exits back to main function menu without changes Keys in dialog for confirmation to clear selected result s TEST Deletes selected measurement result MEM TAB ESC Exits back to measurements field without changes Function selector Exits back to main function menu without changes DELETE RESULTS DELETE PESULTS CETIOBRIECT Ba TELAH OCE aot eLo EL OEK ga FUSIFUISE l Be CLEAR RESULT UBL TAGE tRNS Figure 8 10 Dialog for confirmation Figure 8 11 Display after measurement was cleared 85 MI 3108 EurotestPV Data handling 8 5 4 Renaming installation structure elements upload from PC Default installatio
44. e a RE ee a a a de L L PE L3 ARE T i i i l i i i I Ro Re i i Figure 5 28 Phase neutral or phase phase line impedance measurement connection of plug commander and 3 wire test lead Line impedance measurement procedure Select the 4iits sub function Select test parameters optional Connect test cable to the instrument Connect test leads to the item to be tested see figure 5 28 Press the TEST key to perform the measurement Store the result by pressing the MEM key optional z413 3 V 20 28 V Isc 55 TA Lim Les fA lso LSS kA Lm ae o 30 DI did Figure 5 29 Examples of line impedance measurement result Displayed results AEE Line impedance TE o EET Prospective short circuit current Lim Low limit prospective short circuit current value Prospective short circuit current is calculated as follows Unx ksc SC Z where Un Nominal L N or L1 L2 voltage see table below KSC Correction factor for Isc see chapter 4 5 5 55 MI 3108 EurotestPV Measurements a c LV installations Input voltage range L N or L1 L2 110 V 93 V lt ULN lt 134 V 230 V 185 V lt ULN lt 266 V 400 V 321 V lt UL lt 485 V Note Q High fluctuations of mains voltage can influence the measurement results the noise sign HiH is displayed in the message field In this case it is recommended to repeat few meas
45. e connection can be stored Measurements are based on the EN 61557 7 standard See chapter 4 2 Function selection for instructions on Ulna 23iU f 5A AH 251U key functionality Bee Bu nes L PE Ww za Figure 5 1 Voltage in single phase system Test parameters for voltage measurement There are no parameters to be set Connections for voltage measurement i O Se F DA o a A eee N Ak AA result 1 2 3 result 2 1 3 Figure 5 2 Connection of 3 wire test lead and optional adapter in three phase system 37 MI 3108 EurotestPV Measurements a c LV installations Figure 5 3 Connection of plug commander and 3 wire test lead in single phase system Voltage measurement procedure Select the Ve ma pite Sas function using the function selector keys Connect test cable to the instrument Connect test leads to the item to be tested see figures 5 2 and 5 3 Store voltage measurement result by pressing the MEM key optional Figure 5 4 Examples of voltage measurement in three phase system Displayed results for single phase system UIN Voltage between phase and neutral conductors Ulpe Voltage between phase and protective conductors Unpe Voltage between neutral and protective conductors T secatieadices frequency Displayed results for three phase system UIZ ee Voltage between phases L1 and L2 UV S E Voltage between phases L1 and L3 U2 cser Vol
46. e is measured in loop comprising of mains voltage source and line wiring Line impedance is covered by the requirements of the EN 61557 3 standard The Voltage drop sub function is intended to check that a voltage in the installation stays above acceptable levels if the highest current is flowing in the circuit The highest current is defined as the nominal current of the circuit s fuse The limit values are described in the standard EN 60364 5 52 Sub functions a ZLINE Line impedance measurement according to EN 61557 3 a AU Voltage drop measurement See chapter 4 2 Function selection for instructions on key functionality a _ a Isc A Lim A L PE NWN CORRIS s 230 Figure 5 26 Line impedance Figure 5 27 Voltage drop Test parameters for line impedance measurement Selection of line impedance Zline or voltage drop AU sub function FUSE type Selection of fuse type NV gG B C K D FUSE Rated current of selected fuse FUSE T Maximum breaking time of selected fuse Minimum short circuit current for selected fuse See Appendix A for reference fuse data Additional test parameters for voltage drop measurement Maximum voltage drop 3 0 9 0 54 MI 3108 EurotestPV Measurements a c LV installations 5 6 1 Line impedance and prospective short circuit current Circuits for measurement of line impedance L2 E a o O M K T SSE a Ee a e
47. e table below presents recommended standard and optional accessories required for specific measurement Please see attached list of standard accessories for your set or contact your distributor for further information Suitable accessories Optional with ordering code A Insulation resistance a Testlead 3x1 5m a Tip commander A 1401 R LOWO resistance a Testlead 3x1 5m Continuity a Tip commander A 1401 a Test lead 4 m A 1012 Line impedance a Testlead 3x1 5m Voltage Drop a Plug commander A 1314 Fault loop impedance a Mains measuring cable a Tip commander A 1401 a Three phase adapter with switch A 1111 RCD testing a Testlead 3x1 5m a Plug commander A 1314 a Mains measuring cable a Three phase adapter with switch A 1111 Earth resistance RE a Testlead 3x1 5m a Earth test set 3 wire 20 m S 2026 a Earth test set 3 wire 50 m S 2027 Phase sequence a Testlead 3x1 5m a Three phase adapter A 1110 a Three phase adapter with switch A 1111 Voltage frequency a Testlead 3x1 5m a Plug commander A 1314 a Mains measuring cable a Tip commander A 1401 a Testlead 3x1 5m a Mains measuring cable a Tip commander A 1401 a AC current clamp A 1018 a AC current clamp A 1019 a AC DC current clamp A 1391 Current a AC current clamp A 1018 a AC current clamp A 1019 a AC DC current clamp A 1391 Panel a PV Safety probe Isc Uoc a PV MC 4 adapters a PV MC3 adapters Power Energy Har
48. ed In proportional to Ac G 1 05xtay AC S 2x1 05xln RD a ree Sapna xt 05x an PA S 2x2x1 05xlw MA B 2x1 O5xlan B S 2x2x1 05xln_ Table C 1 Relationship between Uc and lan A S 2x14x1 05xlan AILL G Technical specifications remain the same 109 MI 3108 EurotestPV Appendix D Commanders Appendix D Commanders D 1 AX Warnings related to safety Measuring category of commanders Plug commander A 1314 300 V CAT II Tip commander A1401 cap off 18 mm tip 1000 V CAT II 600 V CAT II 300 V CAT II cap on 4mm tip 1000 V CAT II 600 V CAT III 300 V CAT IV a Measuring category of commanders can be lower than protection category of the instrument a If dangerous voltage is detected on the tested PE terminal immediately stop all measurements find and remove the fault a When replacing battery cells or before opening the battery compartment cover disconnect the measuring accessory from the instrument and installation a Service repairs or adjustment of instruments and accessories is only allowed to be carried out by a competent authorized personnel D 2 Battery The commader uses two AAA size alkaline or rechargeable Ni MH battery cells Nominal operating time is at least 40 h and is declared for cells with nominal capacity of 850 mAh Notes a If the instrument is not used for a long period of time remove all bat
49. ee figure 5 6 Press the TEST key to perform the measurement double click for continuous measurement and later press to stop the measurement After the measurement is finished wait until tested item is fully discharged Store the result by pressing the MEM key optional FT S10 SHB Mi Ra T Figure 5 7 Example of insulation resistance measurement result Displayed results E SINALE ETET Insulation resistance Gig Renee eee EEEE Test voltage actual value 40 MI 3108 EurotestPV Measurements a c LV installations 5 3 Resistance of earth connection and equipotential bonding The resistance measurement is performed in order to ensure that the protective measures against electric shock through earth connections and bondings are effective Two sub functions are available a RLOWO Earth bond measurement according to EN 61557 4 200 mA a CONTINUITY Continuous resistance measurement performed with 7 mA E LOHS See chapter 4 2 Function selection for instructions on key functionality Fi n a an T T T L PE WH p e w __ g Figure 5 8 200 mA RLOW Q Test parameters for resistance measurement TEST Resistance measurement sub function R LOWQ CONTINUITY Maximum resistance OFF 0 1 Q 20 0 Q Additional test parameter for In Continuity sub function Buzzer On sound if resistance is lower than the set limit value or Off 5 3 1 RLOWO 200 mA resistance measurement The resistance measuremen
50. ees 62 6 1 Insulation resistance ON PV SYSTEMS ccccecceecceeceeeeeeceecaeeceeseesaeeseesaeeeaees 62 oe a al o 6 2 Gl icy iano ee ee ee een ee ene een nee ee ener ese erate 64 CF FPE er ee ek ke eke ke E eee 66 6 4 Measuring of environmental parameters ccccecceccseeeeeceeceeeeeeeaeeeaeeeaees 68 6 2 1 Operation with A1378 PV Remote Unit 0 ccccccccccseccsecceecceesceesseesseesseecseecseececeeeeneees 70 OS VOCI SCIES aisr rA A ee 70 660 14V C me IME ASUFEMENK crenn a a 72 7 Measurements Power amp Ener ccscccsscssecceesseecseeceneceeeceeeenesenesneseneseeeseeees 74 7 1 POWGE s cancatscnsnaaiencdnsateandnadeandnainanianednenienadeandeaninaainantnandnaninaninantnaninoneatanntacanaas 14 L2 Hamo s ssecv raves eieevacetAvevs E A ate ecuanedeaecanituceareiwe 15 Bo G 6 0 ree a ROR ee A nee 76 CE 0 9 Gener er tas IN PTR on RRS aC E 77 EC en Oo 0 V eee eee ene ne eee ee eee ee ee ee eee ene eee mee re 19 ACSA nandlhg otis esc hala awe Ncw a te ea tn ww ns vcs ec ead ccadeeeetenee 80 8 1 VICTORY OFC ANIZ ALON setettis atest sinha alesis ant ahns aeabatne in Gana ae anise detec 80 O De SU UN nE E caremoes Garman auemesunatGnues OE 80 63 OOND oko fa oe ee 82 8 4 Recalling test results c cc ccccccceccececeeceeceeeceeseeceeceeeaeeseeseecseseesaeeseeseeeseees 83 O20 CICAMING Sred dala ts ecctsccss a taceeacesced ARE atucaatnanatnanseanctaasuensucaetnenateeaetenetse 84 8
51. efficiency of the inverter Notes a With one current clamp the complete test can be performed in two steps Input should be set to Bf and IXA separately a For the INVERTER AC DC test fused test lead A 1385 must be used 6 3 PV panel test PV panel test is intended to check proper operation of PV panels Following functions are supported a measuring of output voltage current and power of PV panel 4 comparison of measured PV output values MEAS values and calculated nominal data STC values a comparison of measured PV output power Pmeas and theoretical output power Ptheo The PV panel test results are divided into three screens See chapter 4 2 Function selection for instructions on key functionality The input voltage is displayed in order to check proper connection before carrying out the test Figure 6 9 PV module test starting screens 66 MI 3108 EurotestPV Solar measurements PV systems Connections for PV panel Figure 6 10 PV panel test PV panel test procedure Select WAAS sub function using the function selector keys Connect PV safety probe current clamp s and sensors to the instrument Connect the PV system to be tested see figure 6 10 Check input voltage Press the TEST key to perform the test Store the result by pressing the MEM key optional PANEL 3 3 4 5 U Bo U 2 94 A 2 44 A 245 H 208 H Figure 6 11 Examples of PV measurement results Displayed results are MEAS c
52. er male PV MC 3 adapter female RS232 PS 2 cable USB cable Set of NiMH battery cells Power supply adapter Instrument description CD with instruction manual and Guide for testing and verification of low voltage installations handbook Short instruction manual Calibration Certificate 3 5 2 Optional accessories See the attached sheet for a list of optional accessories that are available on request from your distributor 21 MI 3108 EurotestPV Instrument operation 4 Instrument operation 4 1 Display and sound 4 1 1 Terminal voltage monitor The terminal voltage monitor displays on line the voltages on the test terminals and information about active test terminals in the a c installation measuring mode on i Online voltages are displayed together with test terminal indication All _ 773 three test terminals are used for selected measurement e200 Online voltages are displayed together with test terminal indication L 73 and N test terminals are used for selected measurement L and PE are active test terminals N terminal should also be connected L PE H qane o for correct input voltage condition 4 1 2 Battery indication The battery indication indicates the charge condition of battery and connection of external charger Battery capacity indication Low battery l Battery is too weak to guarantee correct result Replace or recharge the battery cells l Charging in progress if
53. es a The charger in the instrument is a pack cell charger This means that the battery cells are connected in series during the charging The battery cells have to be equivalent Same charge condition same type and age 12 MI 3108 EurotestPV Safety and operational considerations oa Ifthe instrument is not to be used for a long period of time remove all batteries from the battery compartment a Alkaline or rechargeable Ni MH batteries size AA can be used Metrel recommends only using rechargeable batteries with a capacity of 2100mAh or above a Unpredictable chemical processes can occur during the charging of battery cells that have been left unused for a longer period more than 6 months In this case Metrel recommends to repeat the charge discharge cycle at least 2 4 times a If no improvement is achieved after several charge discharge cycles then each battery cell should be checked by comparing battery voltages testing them in a cell charger etc It is very likely that only some of the battery cells are deteriorated One different battery cell can cause an improper behaviour of the entire battery pack a The effects described above should not be confused with the normal decrease of battery capacity over time Battery also loses some capacity when it is repeatedly charged discharged This information is provided in the technical specification from battery manufacturer 13 MI 3108 EurotestPV Safety and operational cons
54. est mode Function Parameters limit value Sub function INSTALLATION L EARTH RE R ISO No limit Utest 500 V Low Ohm Resistance R LOWQ No limit CONTINUITY No limit Z LINE Fuse type none selected VOLTAGE DROP AU 4 0 ZREF 0 00 O Z LOOP Fuse type none selected ZS rcd Fuse type none selected RCD RCD t Nominal differential current lan 30 mA RCD type G Test current starting polarity 0 Limit contact voltage 50 V Current multiplier x1 POWER CURRENT a a A h 1 SOLAR S Ce A Utest 500 V INVERTER AC DC Note a Initial settings reset of the instrument can be recalled also if the TAB key is pressed while the instrument is switched on 4 4 8 Clamp Settings ea In Clamp settings menu the C1 and C2 P measuring inputs can be configured 31 MI 3108 EurotestPV Instrument operation Figure 4 12 Configuration of current clamp measuring inputs Parameters to be set Model of current clamp A1018 A1019 A1391 Measuring range of current clamp 20 A 200 A 40 A 300 Aj Selection of measuring parameters Keys UP DOWN Selects appropriate option TEST Enables changing data of selected parameter MEM Saves settings ESC Exits back to clamp settings menu Function selector Exits back to main menu without changes Changing data of selected parameter Keys UP DOWN Sets parameter TEST Confirms set data ESC Disable changing data of selected parameter
55. eters of PV module See Appendix E PV measurements calculared values for more information about calculation of STC values 11 10 2 Panel Inverter DC Voltage Measuring range V Resolution V 0 0 199 9 0141 is 1 5 of reading 5 digits 200 999 i ad 1 5 of reading DC Current Measuring range A Resolution mA 0 00 19 99 10 1 5 of reading 5 digits 20 0 299 9 1 5 of reading DC Power 98 MI 3108 EurotestPV Technical specifications Measuring range W Resolution W 0 1999 2 5 of reading 6 digits 2 00 k 19 99 k 2 5 of reading 20 0 k 199 9 k 100 2 5 of reading AC Voltage oO aS Hotreading 3 agi 1 5 of reading 1 5 of reading AC Current L boose TO aS Yofreadng 3 digs 1 5 of reading 1 5 of reading AC Power Measuring range W Resolution W 1999 Pl lA 2 5 Of reading 6 digits i k 19 99 k 2 5 of reading 20 0k 199 9 k 2 5 of reading Note a Error of external voltage and current transducers is not considered in this specification 11 10 3 l V curve DC Voltage Measuring range V Resolution V 0 0 15 0 5 e 15 1 199 9 2 of reading 2 digits 200 999 2 of reading DC Current Measuring range A Resolution A 0 00 9 99 2 of reading 3 digits 10 00 15 00 2 of reading DC Power Messing range W Resolution W 1999 1 3 Of reading 5 digi
56. eys and A V keys Connect PV safety probe and sensors optional to the instrument Connect the item to be tested see figure 6 17 Check input voltage Press the TEST key to perform the measurement Store the result by pressing the MEM key optional Ue ee Jo ees STC MEAS Uo 1442 Wig Isc 5 290 amp 930 U 4 Su Gi Figure 6 18 Example of Uoc lsc measurement results Displayed results for Uoc Isc measurement MEAS column UOC cips measured open voltage of the panel SG ncccteaces measured short circuit current of the panel STC column Uoc calculated open voltage at STC SOc calculated short circuit current at STC 11 MI 3108 EurotestPV Solar measurements PV systems Notes a Before starting the PV measurements settings of PV module type and PV test parameters should be checked a For calculation of STC results correct PV module type PV test parameters Irr and T ambient or cell values must be measured or be entered manually before the test The Irr and T results in ENV menu are considered Refer to Appendix E for further information a The Irr and T measurements should be carried out immediately before the Uoc Isc test Environmental conditions must be stable during the tests a For best results PV remote unit A 1378 should be used 6 6 I V curve measurement The V curve measurement is used to check correct operation of the PV panels Different problems on PV panels failure
57. gain to stop the measurement Store the result by pressing the MEM key optional SCOPE PAI o Y 1000 SOA cane ieee ey Figure 7 7 Example of Scope measurement results TRMS values of voltage and current are displayed Notes a The parameter input can be changed and results can also be stored while the measurement is running a Displayed waveforms are auto ranged 7 4 Current This function is intended for measurement of load and leakage currents with current clamps Two independent measuring inputs are available CURRENT Ci cz E See chapter 4 2 Function selection for instructions on key functionality Figure 7 8 Current menu Settings and parameters for current measurement Selected channel C1 C2 both MI 3108 EurotestPV Measurements Power amp energy Connection for current measurement Figure 7 9 Leakage and load current measurements Current measurement procedure Select US function using the function selector keys Select input channel optional Connect current clamp s to the instrument Connect the clamp s to the item to be tested see figure 7 9 Press the TEST key to start the continuous measurement Press the TEST key again to stop the measurement Store the result by pressing the MEM key optional CURRENT Ci CZ CURRENT Ci I 4 Bp m Figure 7 10 Examples of current measurement result Displayed results for Current measurement L 11 12 2 0000 Cu
58. ging current 250 mA internally regulated Measuring Category ccceceeeeees 1000 V DC CAT Il 600 V CAT III 300 V CAT IV Protection classification 06 double insulation Pollution Gegree cccccceeeeeseeees 2 Protection degree cccccseeeeeees IP 40 IIS DIAY erana 128x64 dots matrix display with backlight Dimensions w x h x d eceeeeee ecco es 23 cm x 10 3 cm x 11 5 cm WEINE Sivctiveriretteniieedotstiiesahecieeshtentiy 1 3 kg without battery cells Reference conditions Reference temperature range 10 C 30 C Reference humidity range 40 RH 70 RH Operation conditions Working temperature range 0 C 40 C Maximum relative humidity 95 RH 0 C 40 C non condensing Storage conditions Temperature range ccceceeeeeeees 10 C 70 C Maximum relative humidity 90 RH 10 C 40 C 80 RH 40 C 60 C Communication transfer speed RS 232 115200 baud USB 256000 baud Size of memory l V curve Power Scope ca 500 measurements Other measurements ca 1800 measurements The error in operating conditions could be at most the error for reference conditions specified in the manual for each function 1 of measured value 1 digit unless otherwise specified in the manual for particular function 101 MI 3108 EurotestPV Appendix A Fuse table Append
59. iderations 2 3 Standards applied The Eurotest instruments are manufactured and tested in accordance with the following regulations Electromagnetic compatibility EMC EN 61326 Electrical equipment for measurement control and laboratory use EMC requirements Class B Hand held equipment used in controlled EM environments Safety LVD EN 61010 1 EN 61010 2 030 EN 61010 031 EN 61010 2 032 Safety requirements for electrical equipment for measurement control and laboratory use Part 1 General requirements Safety requirements for electrical equipment for measurement control and laboratory use Part 2 030 Particular requirements for testing and measuring circuits Safety requirements for electrical equipment for measurement control and laboratory use Part 031 Safety requirements for hand held probe assemblies for electrical measurement and test Safety requirements for electrical equipment for measurement control and laboratory use Part 2 032 Particular requirements for hand held and hand manipulated current sensors for electrical test and measurement Functionality EN 6155 7 Electrical safety in low voltage distribution systems up to 1000 Vac and 1500 Vac Equipment for testing measuring or monitoring of protective measures Part 1 General requirements Part 2 Insulation resistance Part 3 Loop resistance Part 4 Resistance of earth connection and equipotential bonding Part 5 Resistance
60. isk of electric shock while dealing with hazardous voltages a If the 315 mA fuse blows follow the instructions in this manual in order to replace it Use only fuses that are specified a Do not disassemble or repair the high breaking current fuse block In case it fails the entire block must be replaced with a new original one a Do not use the instrument in AC supply systems with voltages higher than 550 Va c a Service repairs or adjustment of instruments and accessories is only allowed to be carried out by a competent authorized personnel a Use only standard or optional test accessories supplied by your distributor a Consider that protection category of some accessories is lower than of the instrument Test tips and Tip commander have removable caps If they are removed the protection falls to CAT Il Check markings on accessories a The instrument comes supplied with rechargeable Ni MH battery cells The cells should only be replaced with the same type as defined on the battery compartment label or as described in this manual Do not use standard alkaline battery cells while the power supply adapter is connected otherwise they may explode MI 3108 EurotestPV Safety and operational considerations 4 Hazardous voltages exist inside the instrument Disconnect all test leads remove the power supply cable and switch off the instrument before removing battery compartment cover a Do not connect any voltage source on C1 and P C2 i
61. ix A Fuse table A 1 Fuse table IPSC Fuse type NV Rated Disconnection time s current A Min prospective short circuit current A 80 15672 1133 1 964 9 836 5 447 9 Fuse type gG Rated Disconnection time s current 0 4 A Min prospective short circuit current A 15 9 31 9 6 1028 70 5 46 4 80 7 100 107 4 145 5 180 2 271 7 308 7 169 5 319 1 190 1 oe oe 1 O 00 on A ho soa seal cael spel ape Ibe cael Ege Pel O 00 N o h RIN N Jo 102 MI 3108 EurotestPV Appendix A Fuse table 464 2 63 1217 2 821 7 663 3 545 319 1 80 1567 2 1133 1 964 9 836 5 1018 Fuse type B Rated Disconnection time s current Min prospective short circuit current A 25 Fuse type C Rated current 5 Disconnection time s current 35m 01 02 04 Min prospective short circuit current A 103 MI 3108 EurotestPV Appendix A Fuse table Disconnection time s current Min prospective short circuit current A A 2 Fuse table impedances UK Fuse type B Fuse type C Rated Rated current 04 5 f current 04 5 A A 3 12264 12 264 o6 6136 6136 6 3 064 3 064 10 368 368 10 184 184 22 2 29 16 1 152 1 152 184 184 20 092 092 1472 1472 25 0736 0 736 1152 1 152 32 0 576 0 576 092 092 40 0456 0 456
62. lcohol Then leave the instrument or accessory to dry totally before use Warnings a Do not use liquids based on petrol or hydrocarbons a Do not spill cleaning liquid over the instrument 10 3 Periodic calibration It is essential that the test instrument is regularly calibrated in order that the technical specification listed in this manual is guaranteed We recommend an annual calibration Only an authorized technical person can do the calibration Please contact your dealer for further information 10 4 Service For repairs under warranty or at any other time please contact your distributor 89 MI 3108 EurotestPV Technical specifications 11 Technical specifications 11 1 Insulation resistance Insulation resistance of PV systems Insulation resistance nominal voltages 50 Vpc 100 Vpc and 250 Vpc Measuring range according to EN 61557 is 0 15 MQ 199 9 MQ Measuring range MQ Resolution MQ Accuracy uA 10 of reading 100 0 199 9 20 of reading Insulation resistance nominal voltages 500 Vpc and 1000 Voc Measuring range according to EN 61557 is 0 15 MQ 1 GQ 0 00 19 99 5 of reading 3 digits 10 of reading Voltage Measuring range V Resolution V O 1200 1s 3 Of reading 3 digits Nominal voltages ccccecceeeeeeees 50 Vpc 100 Voc 250 Voc 500 Voc 1000 Voc Open circuit voltage cccceeeeeee 0 20 of nominal voltage Measuring Curren
63. le and clear as possible and no special training except for the reading this instruction manual is required in order to begin using the instrument In order for operator to be familiar enough with performing measurements in general and their typical applications it is advisable to read Metrel handbook Guide for testing and verification of low voltage installations The instrument is equipped with the entire necessary accessory for comfortable testing MI 3108 EurotestPV Safety and operational considerations 2 Safety and operational considerations 2 1 Warnings and notes In order to maintain the highest level of operator safety while carrying out various tests and measurements Metrel recommends keeping your Eurotest instruments in good condition and undamaged When using the instrument consider the following general warnings A General warnings related to safety a The A symbol on the instrument means Read the Instruction manual with special care for safe operation The symbol requires an action a If the test equipment is used in a manner not specified in this user manual the protection provided by the equipment could be impaired a Read this user manual carefully otherwise the use of the instrument may be dangerous for the operator the instrument or for the equipment under test a Do not use the instrument or any of the accessories if any damage is noticed a Consider all generally known precautions in order to avoid r
64. les to keep the instrument up to date even if the standards or regulations change The upgrade can be carried with a help of special upgrading software and the communication cable as shown on Figure 8 14 Please contact your dealer for more information 88 MI 3108 EurotestPV Maintenance 10 Maintenance Unauthorized persons are not allowed to open the EurotestPV instrument There are no user replaceable components inside the instrument except the battery and fuse under rear cover 10 1 Fuse replacement There is a fuse under back cover of the EurotestPV instrument a F1 FF 315 mA 1000 V d c 32x6 mm Breaking capacity 50 kA This fuse protects internal circuitry for continuity functions if test probes are connected to the mains supply voltage by mistake during measurement Position of fuse can be seen in Figure 3 4 in chapter 3 3 Back panel Optional accessory A 1385 PV test lead has replaceable fuse in each test lead a FF 315 mA 1000 V d c 32x6 mm Breaking capacity 50 kA Warnings m A Disconnect all measuring accessory and switch off the instrument ia opening battery fuse compartment cover hazardous voltage a Replace blown fuse with original type only otherwise the instrument or accessory may be damaged and or operator s safety impaired 10 2 Cleaning No special maintenance is required for the housing To clean the surface of the instrument or accessory use a soft cloth slightly moistened with soapy water or a
65. mental parameters If the data is measured with other measuring equipment they can be entered manually Select function and sub function using the function selector keys and Up Down keys 69 MI 3108 EurotestPV Solar measurements PV systems Keys TEST Enters menu for manual setting of environmental parameters Enters menu for changing selected parameter Confirms set value of parameter Aly Selects environmental parameter Selects value of parameter Function Exits environmental menu and select PV measurement selector Figure 6 15 Example of manually entered results Displayed results for environmental parameters Wil E E a solar irradiance Tamb or Tcell temperature of ambient or PV cells Note a Environmental parameters are cleared when the SOLAR test mode is exited 6 2 1 Operation with A1378 PV Remote Unit See PV Remote Unit User Manual 6 5 Uoc Isc test The Uoc Isc test is intended to check if protection devices in the d c part of the PV installation are effective The measured data can be calculated to nominal data STC values See chapter 4 2 Function selection for instructions on key functionality The input voltage is displayed in order to check proper connection before carrying out the test 70 MI 3108 EurotestPV Solar measurements PV systems Connection for Uoc Isc test Figure 6 17 Uoc Isc test Uoc Isc test procedure Select sub function using the function selector k
66. mmander PE terminal test procedure Connect commander to the instrument Connect commander to the item to be tested see figure D 4 Touch PE test probe the TEST key on commander for at least one second lf PE terminal is connected to phase voltage both LEDs will light yellow the warning message on the instrument is displayed instrument s buzzer is activated and further measurements are disabled in Zloop and RCD functions L1 N DE paei Reversed phase and protection conductors THE MOST DANGEROUS SITUATION O pee Figure D 4 Reversed L and PE conductors application of plug commander 112 MI 3108 EurotestPV Appendix E PV measurements calculated values Appendix E PV measurements calculated values Calculation with known U I DC AC configuration of modules into a string M modules in serial N modules in parallel environment parameters Irr T and data supplied by the panels manufacturer U I AC DC phase Istc y Pnom NOCT Irr irrst Tamb or Tcell Panel DC 3 Poc gt U u eee d i l U and are measured on panel conectors i is for multi phase systems i 1 3 Inverter AC 3 Pic X U peasil measa COS P i l U and phase are measured on inverter conectors i is for multi phase systems i 1 3 Conversion efficiency 1 panel P I h T P M N P d Irr theo STC where Pnom is nominal power of panel at STC I
67. monics Scope I V curve a AC DC current clamp A1391 a PV Remote unit A 1378 Inverter a PV Safety probe a PV MC 4 adapters 106 MI 3108 EurotestPV Appendix B Accessories for specific measurements PV MC3 adapters PV Remote unit A 1378 PV fused test lead A 1385 AC DC current clamp A 1391 AC current clamp A 1018 AC current clamp A 1019 Insulation resistance PV a PV Safety probe Environment a Temperature probe A 1400 a Pyranometer A 1399 a PV Remote unit A 1378 107 MI 3108 EurotestPV Appendix C Country notes Appendix C Country notes This appendix C contains collection of minor modifications related to particular country requirements Some of the modifications mean modified listed function characteristics related to main chapters and others are additional functions Some minor modifications are related also to different requirements of the same market that are covered by various suppliers C 1 List of country modifications The following table contains current list of applied modifications Related chapters Modification type Note 5 4 11 3 C 2 1 Appended Special G type RCD C 2 Modification issues C 2 1 AT modification G type RCD Modified is the following related to the mentioned in the chapter 5 4 Gtype mentioned in the chapter is converted to unmarked type L Added G type RCD Time limits are the same as for general type RCD Contact voltage is calculate
68. n structure elements are Object Block and Fuse In the PCSW package Eurolink PRO default names can be changed with customized names that corresponds the installation under test Refer to PCSW Eurolink PRO HELP for information how to upload customized installation names to the instrument RECALL FESULT I OEJ APFARTMENT 1 ELO MAIN BOARD gt FUS KITCHEN Figure 8 12 Example of menu with customized installation structure names 8 5 5 Renaming installation structure elements with barcode reader or RFID reader Default installation structure elements are Object Block and Fuse When the instrument is in the Save results menu location ID can be scanned from a barcode label with the barcode reader or can be read from a RFID tag with the RFID reader Figure 8 13 Connection of the barcode reader and RFID reader writer How to change the name of memory location Connect the barcode reader or RFID reader to the instrument In Save menu select memory location to be renamed A new location name scanned from a barcode label or a RFID tag will be accepted by the instrument A successful receive of the barcode or RFID tag is confirmed by two short confirmation beeps a Use only barcode readers and RFID readers delivered by Metrel or authorized distributor 86 MI 3108 EurotestPV Data handling 8 6 Communication Stored results can be transferred to a PC A special communication progr
69. nce continuity functions and earth resistance measurements can only be performed on de energized objects a PASS FAIL indication is enabled when limit is set Apply appropriate limit value for evaluation of measurement results a In the case that only two of the three wires are connected to the electrical installation under test only voltage indication between these two wires is valid Insulation resistance Insulation resistance of PV systems a Insulation resistance If a voltage of higher than 30 V AC or DC is detected between test terminals the insulation resistance measurement will not be performed Insulation resistance of PV systems Different pre tests are carried out If conditions are proper and safe the measurement will be be continued WOMOITlOns FU SAFETY PROBE Otherwise or or message is displayed a The instrument automatically discharge tested object after finished measurement a A double click of TEST key starts a continuous measurement Continuity functions a If a voltage of higher than 10 V AC or DC is detected between test terminals the continuity resistance test will not be performed a Compensate test lead resistance before performing a continuity measurement where necessary MI 3108 EurotestPV Safety and operational considerations RCD functions 4 Parameters set in one function are also kept for other RCD functions a The measurement of contact voltage does not normally trip an RCD
70. nputs They are intended only for connection of current clamps and sensors Maximal input voltage is 3 V a All normal safety precautions must be taken in order to avoid risk of electric shock while working on electrical installations a If the instrument is not in SOLAR operating mode the instrument displays a warning if an external DC voltage of higher than 50 V is applied to the De WOLTAGE instrument Measurements are blocked A Warnings related to safety of measurement functions All PV functions a Use only dedicated accessories for testing on PV electrical installations Accessories for PV installations have yellow marked connectors Use Pl test lead A1355 Apropriate warnigns are displayed WkSini n MSinn PV Safety probe A1384 has inbuilt protective circuit that safely disconnects the instrument from the PV installation in case of a failure in the instrument PV test lead A1385 has integrated fuses that safely disconnects instrument from the PV installation in case of a failure in the instrument oa Do not use the instrument in PV systems with voltages higher than 1000 V d c and or currents higher than 15 A d c Otherwise the instrument can be damaged a PV sources can produce very high voltages and currents Only skilled and trained personnel should perform measurements on photovoltaic systems a Local regulations should be considered a Safety precautions for working on the roof should be considered
71. ntal parameters ccc ccc ceccsecceecseeceecnecsuccsessueceecensueseessueeuessesenenes 100 11 10 6 Insulation Resistance Of PV SYStOINS ccccccccseecceecseeeseesseeseeeessnesseseeeeeeas 100 Vid CERT Cae eO 101 Appendix A Fuse table cccccecceceeceeeeeeeeeeeeeeeeeeseeseeseesaesensonsonsonsonsoneeasoneeneaaes 102 A 1 Fuse table IPSC ooo cc ccccecc eee eeeeeteeee eee eeeeeeeeeeeeeeeeeeeeeeeaueeeeeeeeaeeeeeseeaees 102 A 2 Fuse table impedances UK cccccccceccseccseeceeceeeeeeeseeeeeeseeeseeaeeeseeeaess 104 Appendix B Accessories for specific measurements ccecceeeeeeeeeeeneeeeseneees 106 Appendix C Country notes cccccccccceeceeeceneceeeeeseneenesenscneseasonscnesenscneseesonsenesonsees 108 Ct EAST OF country modificalos sinuthacicduddend diudGuad itn ina a a i a a 108 eZ Mode ALON ISS UC S renra AERE EEE EE AE EEEE 108 eZ TAT ICCC ANC G Ype ROD asier rE E EE 108 Appendix D Commanders cccceeeceeeeeeeeneeeeeeeseneeeeseneeneseesonsenesenscuesensonseeesoneoes 110 D 1 A Warnings related to safety ccccccccccecceeseeceeeeeeneteeeseeeeeeeeeeeeeseeeeeteeeaeees 110 BA E 3 A E ee ee 110 D 3 DeSCription Of commanders cccceccecceeeceeeeeeceeteeeeseceeeeeeceeseeeeuetseeeeetaeteeeeaes 110 D 4 Operation OF commanders snncisssrsnscscccsacantaensannracnnnnanaenioontoanaenntaannsranaaniaersGasaanenes 111 Appendix E PV measurements calculated values
72. odule DELETE data will be lost DELETE ALL f DELETE MODULE Ig ES Figure 4 18 Delete options Keys TEST Confirms clearing In Delete all option YES must be selected ESC Function selector Exits back to main function menu without changes PV measurements settings Parameters for PV measurements can be set in this menu Figure 4 19 Selection of PV measurement settings 35 MI 3108 EurotestPV Instrument operation Parameters for PV measurements Test std Testing standard IEC 60891 CEI 82 25 Irr Sens _ Poly Mono Pyran drr min Minimal valid solar irradiance for calculation 500 1000 W m Temperature for calculation Tamb Tcell Mod Ser Number of modules in serial 1 30 Mod Par Number of modules in parallel 1 10 Selection of PV test parameters Keys UP DOWN Selects appropriate option TEST Enables changing data of selected parameter MEM Saves settings ESC Function selector Exits back Changing data of selected parameter Keys UP DOWN Sets parameter TEST Confirms set data ESC Function selector Exits back 36 MI 3108 EurotestPV Measurements a c LV installations 5 Measurements a c LV installations 5 1 Voltage frequency and phase sequence Voltage and frequency measurement is always active in the terminal voltage monitor In the special VOLTAGE TRMS menu the measured voltage frequency and information about detected three phas
73. of STC results correct PV module type PV test parameters Irr and T ambient or cell values must be measured or be entered manually before the test The Irr and T results in ENV menu are considered Refer to Appendix E for further information a The Irr and T measurements should be carried out immediately before the V curve test Environmental conditions must be stable during the tests a For best results PV remote unit A 1378 should be used 13 MI 3108 EurotestPV Measurements Power amp energy 7 Measurements Power amp Energy 1 phase power measurements and tests sub functions can be performed with the EurotestPV instrument Main features are a Measurement of standard power parameters Harmonic analysis of voltage and current Displaying of voltage and current waveforms Energy counting Ooo 7 1 Power The Power function is intended to measure the standard power parameters P Q S THDU and PF See chapter 4 2 Function selection for instructions on key functionality Figure 7 1 Power menu Settings and parameters for Power test There are no parameters to be set in this menu Connection for Power test Figure 7 2 Power measurement 14 MI 3108 EurotestPV Measurements Power amp energy Power test procedure Select leds Sub function using the function selector keys and A Y keys Connect the voltage test leads and current clamp to the instrument Connect the voltage test leads and current
74. of a part of the PV panel string dirt shadow etc can be found Figure 6 19 I V curve starting screens The data to be measured is divided into three screens See chapter 4 2 Function selection for instructions on key functionality Settings parameters for V curve test UD Number of screen ye Results STC measured both to be displayed Connection for the I V curve test Figure 6 20 1 V curve test 2 MI 3108 EurotestPV Solar measurements PV systems I V curve test procedure Select MAY sub function using the function selector keys and A V keys Check or set PV module and PV testing parameters and limits optional Connect PV safety probe to the instrument Connect environmental probes to the instrument optional Connect the item to be tested see figure 6 20 Press the TEST key to perform the measurement Store the result by pressing the MEM key optional SA Figure 6 21 Example of I V curve results Displayed results for V curve test OCs measured STC open circuit voltage of the panel ES acerieusnes measured STC short circuit current of the panel Umpp measured STC voltage at maximal power point Impp measured STC current at maximal power point Pmpp measured STC maximal output power of the panel Notes a Before starting the PV measurements settings of PV module type and PV test parameters should be checked a For calculation
75. olumn Co renee measured output voltage of the panel eee measured output current of the panel E ES measured output power of the panel STC column Cr calculated output voltage of the panel at STC ee calculated output current of the panel at STC Pee calculated output power of the panel at STC Pstc measured output power of the panel at STC Pmax nominal output power of the panel at STC I eand efficiency of the panel at STC 67 MI 3108 EurotestPV Solar measurements PV systems Pmeas measured output power of the panel at momentary conditions Ptheo calculated theoretical output power of the panel at momentary conditions Hean calculated efficiency of the panel at momentary conditions Notes a Before starting the PV measurements settings of PV module type and PV test parameters should be checked a For calculation of STC results PV module type PV test parameters Uoc Isc Irr and T ambient or cell values must be measured or be entered manually before the test The results in ENV and Uoc Isc menus are considered If there are no results in Uoc Isc menu the instrument will consider results in l V menu a The Uoc Isc Irr and T measurements should be carried out immediately before the PANEL test Environmental conditions must be stable during the tests a For best results PV remote unit A 1378 should be used 6 4 Measuring of environmental parameters Temperature and solar irradiance values must be known fo
76. p out current measurement result example 48 MI 3108 EurotestPV Measurements a c LV installations Displayed results PANT Trip out current Uci Contact voltage at trip out current or end value in case the RCD didn t trip Des Trip out time 5 4 4 RCD Autotest RCD autotest function is intended to perform a complete RCD test trip out time at different residual currents trip out current and contact voltage in one set of automatic tests guided by the instrument Additional key HELP DISPLAY Toggles between top and bottom part of results field RCD autotest procedure RCD Autotest steps Notes 0 Select the e function using the function selector keys Set sub function AUTO Set test parameters if necessary Connect test cable to the instrument Connect test leads to the item to be tested see figure 5 17 Press the TEST to perform the test Start of test naeem o e a Test with Ian 180 step 2 RCD should trip out a Re activate RCD Poo oa Test with 5xlan O step 3 RCD should trip out oa Re activate RCD aa oa Test with 5xlan 180 step 4 RCD should trip out a Re activate RCD a Test with xIAN 0 step 5 RCD should not trip out a Test with 2xlIAN 180 step 6 RCD should not trip out o Trip out current test 0 step 7 RCD should trip out a Re activate RCD e o Trip out current test 180 step 8 RCD should trip out a Re activate RCD ae a Store the res
77. power supply adapter is connected 4 1 3 Messages In the message field warnings and messages are displayed Measurement is running consider displayed warnings Conditions on the input terminals allow starting the measurement consider other displayed warnings and messages Conditions on the input terminals do not allow starting the measurement consider displayed warnings and messages RCD tripped out during the measurement in RCD functions Instrument is overheated The measurement is prohibited until the temperature decreases under the allowed limit Result s can be stored High electrical noise was detected during measurement Results may be impaired E o e Ded ra 22 MI 3108 EurotestPV Instrument operation L and N are changed Warning High voltage is applied to the test terminals Warning Dangerous voltage on the PE terminal Stop the activity immediately and eliminate the fault connection problem before proceeding with any activity Nes 1 HE Test leads resistance in Continuity measurement is not compensated ru de r Test leads resistance in Continuity measurement is compensated High resistance to earth of test probes Results may be impaired Too small current for declared accuracy Results may be impaired Check in Current Clamp Settings if sensitivity of current clamp can be increased Measured signal is out of range clipped Results are impaired Fuse F1 is broken
78. r a Calculation of nominal values at standard test conditions STC a Checking that environmental conditions are suitable for carrying out the PV tests The parameters can be measured or entered manually The probes can be connected to the instrument or to the PV remote unit A 1378 See chapter 4 2 Function selection for instructions on key functionality Figure 6 12 Environmental parameters screen Test parameters for measuring setting of environmental parameters INPUT Input of environmental data MEAS MANUAL 68 MI 3108 EurotestPV Solar measurements PV systems Connections for measuring of environmental parameters Figure 6 13 Measurement of environmental parameters Procedure for measuring of environmental parameters Select function and WM sub function using the function selector keys and A Y keys Connect environmental probes to the instrument see figure 6 13 Connect the item to be tested see figure 6 13 Press the TEST key to perform the measurement Store the result by pressing the MEM key optional EN A Irr 50hH m2 Figure 6 14 Example of measured results Displayed results for environmental parameters U ea solar irradiance Tamb or Tcell temperature of ambient or PV cells Note a If the Irradiance result is lower than the set minimal value Irr min the STC results will not be calculated message Tree Ter min is displayed Procedure for manual entering of environ
79. rent waveform plus starting polarity 7 aE ation factor for test current_ 2 1 2 5 lanl Ulim Conventional touch voltage limit 25 V 50 V Note a Ulim can be selected in the Uc sub function only The instrument is intended for testing of Gleneral non delayed and S elective time delayed RCDs which are suited for Alternating residual current AC type marked with symbol Pulsating residual current A type marked with symbol Pulsating residual current A type marked with symbol DC residual current B type marked with symbol DoOodt Time delayed RCDs have delayed response characteristics As the contact voltage pre test or other RCD tests influence the time delayed RCD it takes a certain period to recover into normal state Therefore a time delay of 30 s is inserted before performing trip out test by default 45 MI 3108 EurotestPV Measurements a c LV installations Connections for testing RCD __ d 2 i Se tL Figure 5 17 Connecting the plug commander and the 3 wire test lead 5 4 1 Contact voltage RCD Uc A current flowing into the PE terminal causes a voltage drop on earth resistance i e voltage difference between PE equipotential bonding circuit and earth This voltage difference is called contact voltage and is present on all accessible conductive parts connected to the PE It shall always be lower than the conventional safety limit voltage
80. rrent Note a Channel C2 is intended for measuring with clamps A 1391 only 78 MI 3108 EurotestPV Measurements Power amp energy 7 9 Energy In this function consumed and generated energy can be measured See chapter 4 2 Function selection for instructions on key functionality Figure 7 11 Energy menu Settings and parameters for the Energy measurement Maximal expected TRMS current during measurement lrange lrange 10 EA lange 100 Maximal expected TRMS voltage during measurement 260 V 500 V Connection for the Energy measurements See figure 7 2 Energy measurement procedure Select 3N 34e sub function using the function selector keys and A VY keys Connect the voltage test leads and current clamp to the instrument Connect the voltage test leads and current clamp to the item to be tested see figure 7 2 Press the TEST key to start the measurement Press the TEST key again to stop the measurement Store the result by pressing the MEM key optional Figure 7 12 Example of Energy measurement results Displayed results for the Energy measurements E Porua consumed energy load Ecin generated energy source Ponana momentary active power during energy measurement AE TEN time Notes a Consider polarity and setup of current clamps see chapter 4 4 8 Clamp settings Q Imax and Umax should be set high enough in order to avoid clamping of measured signals Clamping will results in wrong energ
81. rrgtc is nominal irradiance at STC lIrfstc 1000 W m Irr is measured irradiance M is number of modules in serial and N is number of modules in parallel m emeoneyor O Peo Theor pomar of sting statues radianes Prom rominalpowerofnelatSTC nominal iradnce STC rin 000w OO ie measured irradiance Mo number of modules in serial NO number of modules in parallel 113 MI 3108 EurotestPV Appendix E PV measurements calculated values Depending on temperature criterion for PASS is e If Tamb lt 25 C or Tcell lt 40 C gt n2 gt 0 85 e If Tamb gt 25 C or Tcell gt 40 C gt n2 gt 1 Pipy 0 08 where Ptpv is calculated depending on type of temperature being measured as pv Irr P T_ 25 NOCT 20 amb r i y or em Toen 25 E4 d where NOCT is nominal operating temperature of the cell data supplied by the panels manufacturer and y is coeff of temperature of power characteristic of PV module inserted value from 0 01 to 0 99 data supplied by the panels manufacturer NOCT nominal operating temperature of the cell data supplied by the panels manufacturer value from 0 01 to 0 99 coeff of temperature of power characteristic of PV module inserted 2 inverter y Ac P DC Calculation of conversion efficiency with comparisson of STC and measured corrected values U I AC DC phase Irrsi Tstc Pnom Irr Tcell Rs a B Isc M N Panel Measured
82. ssive Uc or trip out time out of bounds a Auto test is finished without x5 tests in case of testing the RCD type A with rated residual currents of lAn 300 mA 500 mA and 1000 mA In this case auto test result passes if all other results pass and indications for x5 are omitted a Tests for sensitivity l a steps 7 and 8 are omitted for selective type RCD 51 MI 3108 EurotestPV Measurements a c LV installations 5 5 Fault loop impedance and prospective fault current Fault loop is a loop comprised by mains source line wiring and PE return path to the mains source The instrument measures the impedance of the loop and calculates the short circuit current The measurement is covered by requirements of the EN 61557 3 standard See chapter 4 2 Function selection for instructions on key functionality Figure 5 23 Fault loop impedance Test parameters for fault loop impedance measurement Selection of fault loop impedance sub function Zloop Zs rcd Fuse type Selection of fuse type NV gG B C K D Rated current of selected fuse Maximum breaking time of selected fuse Minimum short circuit current for selected fuse See Appendix A for reference fuse data Circuits for measurement of fault loop impedance Figure 5 24 Connection of plug commander and 3 wire test lead 52 MI 3108 EurotestPV Measurements a c LV installations Fault loop impedance measurement procedure select the Mi Sub function
83. st 8 ON OFF 9 HELP CAL 10 Function selector RIGHT 11 Function selector LEFT 12 MEM 13 Green LEDs Red LEDs Figure 3 1 Front panel 128 x 64 dots matrix display with backlight Modifies selected parameter TEST Starts measurements Acts also as the PE touching electrode Goes one level back Selects the parameters in selected function Changes backlight level and contrast Switches the instrument power on or off The instrument automatically turns off 15 minutes after the last key was pressed Accesses help menus Calibrates test leads in Continuity functions Starts Zrer measurement in Voltage drop sub function Selects test function Stores recalls memory of instrument Stores clamp and solar settings Indicates PASS FAIL of result 16 MI 3108 EurotestPV Instrument description 3 2 Connector panel Figure 3 2 Connector panel picture of MI 3108 Legend 1 Test connector Measuring inputs outputs 2 Charger socket 3 USB connector Communication with PC USB 1 1 port 4 Protection cover 5 C1 Current clamp measuring input 1 6 PIC Current clamp measuring input 2 Measuring input for external probes Communication with PC serial port 7 PS 2 connector Connection to optional measuring adapters Connection to barcode RFID reader Warnings a Maximum allowed voltage between any test terminal and ground is 600 V a c 1000 V d c a Maximum allowed voltage between test terminals on test
84. surement 42 MI 3108 EurotestPV Measurements a c LV installations Figure 5 11 Tip commander and 3 wire test lead applications Continuous resistance measurement procedure select continuity function using the function selector keys Set sub function Zeu Enable and set the limit optional Connect test cable to the instrument Compensate test leads resistance if necessary see section 5 3 3 Disconnect from mains supply and discharge the object to be tested Connect test leads to the tested object see figure 5 17 Press the TEST key to begin performing a continuous measurement Press the TEST key to stop measurement DOCO DO OODD After the measurement is finished store the result optional CONTINUITY Figure 5 12 Example of continuous resistance measurement Displayed result Peer dee Resistance 5 3 3 Compensation of test leads resistance This chapter describes how to compensate the test leads resistance in both continuity functions R LOWQ and CONTINUITY Compensation is required to eliminate the influence of test leads resistance and the internal resistances of the instrument on the measured resistance The lead compensation is therefore a very important feature to obtain correct result CAL symbol is displayed if the compensation was carried out successfully 43 MI 3108 EurotestPV Measurements a c LV installations Circuits for compensating the resistance of test leads N L
85. t ccccceceeeeeees min 1 MA at Ry Uyx1 kQ V Short circuit current max 3 mA The number of possible tests gt 1200 with a fully charged battery Auto discharge after test Specified accuracy is valid if 3 wire test lead is used while it is valid up to 100 MQ if tip commander is used Specified accuracy is valid up to 100 MQ if relative humidity gt 85 In case the instrument gets moistened the results could be impaired In such case it is recommended to dry the instrument and accessories for at least 24 hours The error in operating conditions could be at most the error for reference conditions specified in the manual for each function 5 of measured value 90 MI 3108 EurotestPV Technical specifications 11 2 Continuity 11 2 1 Resistance R LOWQ Measuring range according to EN 61557 is 0 16 Q 1999 Q Measuring range R Q Resolution Q 0 00 19 99 3 of reading 3 digits 20 0 199 9 i 200 1999 4 5 of reading Open circuit voltage ccceceeeeee 6 5 VDC 9 VDC Measuring CUurrent cccceeeeeeeees min 200 mA into load resistance of 2 Q Test lead compensation 05 up to5 Q The number of possible tests gt 2000 with a fully charged battery Automatic polarity reversal of the test voltage 11 2 2 Resistance CONTINUITY Measuring range Q Resolution O 0 0 19 9 n 0 2041999 Oe Open circuit voltage
86. t is performed with automatic polarity reversal of the test voltage Test circuit for R LOWQ measurement MPEC Main Potential Equilizing Collector PCC Protection Conductor Collector L L1 PE L3 _ extension lead Figure 5 9 Connection of 3 wire test lead plus optional extension lead 41 MI 3108 EurotestPV Measurements a c LV installations R LOWQ measurement procedure Select continuity function using the function selector keys Set sub function to F Me i7e Enable and set limit optional Connect test cable to the instrument Compensate the test leads resistance if necessary see section 5 3 3 Disconnect from mains supply and discharge installation to be tested Connect the test leads to the appropriate PE wiring see figure 5 9 Press the TEST key to perform the measurement After the measurement is finished store the result by pressing the MEM button optional Q E E E E E E E E w j Figure 5 10 Example of RLOW result Displayed result FR E R LOWQ resistance PAF AEE Result at positive polarity P arin Result at negative test polarity 5 3 2 Continuous resistance measurement with low current In general this function serves as standard Q meter with a low testing current The measurement is performed continuously without polarity reversal The function can also be applied for testing continuity of inductive components Test circuit for continuous resistance mea
87. tPV Safety and operational considerations 2 2 Battery and charging The instrument uses six AA size alkaline or rechargeable Ni MH battery cells Nominal operating time is declared for cells with nominal capacity of 2100 mAh Battery condition is always displayed in the lower right display part In case the battery is too weak the instrument indicates this as shown in figure 2 1 This indication appears for a few seconds and then the instrument turns itself off Figure 2 1 Discharged battery indication The battery is charged whenever the power supply adapter is connected to the instrument The power supply socket polarity is shown in figure 2 2 Internal circuit controls charging and assures maximum baittery lifetime Figure 2 2 Power supply socket polarity Symbols l Indication of battery charging Figure 2 3 Charging indication A Warnings related to safety a When connected to an installation the instruments battery compartment can contain hazardous voltage inside When replacing battery cells or before opening the battery fuse compartment cover disconnect any measuring accessory connected to the instrument and turn off the instrument a Ensure that the battery cells are inserted correctly otherwise the instrument will not operate and the batteries could be discharged a Do not recharge alkaline battery cells a Use only power supply adapter delivered from the manufacturer or distributor of the test equipment Not
88. tage between phases L2 and L3 a9 ececeatn Correct connection CW rotation sequence Os Vacemat Invalid connection CCW rotation sequence TEE frequency 38 MI 3108 EurotestPV Measurements a c LV installations 5 2 Insulation resistance The Insulation resistance measurement is performed in order to ensure safety against electric shock through insulation Typical applications are Insulation resistance between conductors of installation a Insulation resistance of non conductive rooms walls and floors a Insulation resistance of ground cables a Resistance of semi conductive antistatic floors ca tin oHa Mi See chapter 4 2 Function selection for instructions on key functionality Fi a m ee PH SD m M PE L H b a _ J oo Figure 5 5 Insulation resistance Test parameters for insulation resistance measurement Test voltage 50 V 100 V 250 V 500 V 1000 Ui mains voltage liS switched off Y5 closed Sov f switches 9 9 9 9 loads disconnected Figure 5 6 Connections for insulation measurement 39 MI 3108 EurotestPV Measurements a c LV installations Insulation resistance measuring procedure Select the S N10 function using the function selector keys Set the required test voltage Enable and set limit value optional Disconnect tested installation from mains supply and discharge insulation as required Connect test cable to the instrument and to the item to be tested s
89. teries from the battery compartment a Alkaline or rechargeable Ni MH batteries size AA can be used Metrel recommends only using rechargeable batteries with a capacity of 800 mAh or above a Ensure that the battery cells are inserted correctly otherwise the instrument will not operate and the batteries could be discharged D 3 Description of commanders Figure D 1 Front side tip commander 110 MI 3108 EurotestPV Appendix D Commanders Figure D 3 Back side Legend 1 TEST TEST Starts measurements Acts also as the PE touching electrode 2 LED Left status RGB LED 3 LED Right status RGB LED 4 LEDs Lamp LEDs Tip commander 5 Function selector Selects test function 6 MEM Store recall clear tests in memory of instrument 7 BL Switches On Off backlight on instrument 8 Lamp key Switches On Off lamp Tip commander 9 Battery cells Size AAA alkaline rechargeable NiMH 10 Battery cover Battery compartment cover 11 Cap Removable CAT IV cap Tip commander D 4 Operation of commanders Both LED yellow Warning Dangerous voltage on the commander s PE terminal Right LED red Fail indication Right LED green Pass indication Left LED blinks blue Commander is monitoring the input voltage 111 MI 3108 EurotestPV Appendix D Commanders Left LED orange Voltage between any test terminals is higher than 50 V Both LEDs blink red Low battery Both LEDs red and switch off Battery voltage too low for operation of co
90. tion resistance measuring procedure Select the Fea sub function using the function selector keys and A Y keys Set the required test voltage Enable and set limit value optional Connect PV safety probe to the instrument See figure 6 2 Connect accessories to the PV system see figures 6 2 Press the TEST key to perform the measurement double click for continuous measurement and later press to stop the measurement After the measurement is finished wait until tested item is fully discharged Store the result by pressing the MEM key optional Reconnect DC lead see figures 6 2 DOOdOUL DL 0DOD O Press the TEST key to perform the measurement double click for continuous measurement and later press to stop the measurement After the measurement is finished wait until tested item is fully discharged Store the result by pressing the MEM key optional En l AET Figure 6 3 Example of insulation resistance measurement result Displayed results Roo eeeeceeeeececeeeaeaes Insulation resistance OC p eee ene eee Test voltage actual value 63 MI 3108 EurotestPV Solar measurements PV systems 6 2 PV inverter test The test is intended to check proper operation of the PV inverter Following functions are supported a Measuring of DC values at inverter s input and AC values at inverter s output a Calculation of the efficiency of the inverter see chapter 4 2 Function selection for instructions on ke
91. to main menu without changes 4 4 3 Date and time SET IATE TIME In this menu date and time can be set Een 61 GE 2011 Figure 4 7 Setting date and time Keys TAB Selects the field to be changed UP DOWN Modifies selected field TEST Confirms new date time and exits ESC Exits back to settings menu Function selector Exits back to main menu without changes Warning a If the batteries are removed for more than 1 minute the set date and time will be lost 27 MI 3108 EurotestPV Instrument operation 4 4 4 RCD standard ENe1a08 ENe1o09 In this menu the used standard for RCD IEC_60364 4 41 tests can be set AUIS Me Figure 4 8 Selection of RCD test standard Keys UP DOWN Selects standard TEST Confirms selected standard ESC Exits back to settings menu Function selector Exits back to main menu without changes Maximum RCD disconnection times differ in various standards The trip out times defined in individual standards are listed below Trip out times according to EN 61008 EN 61009 Yexlan General RCDs Selective RCDs time delayed t 500 ms 130 ms lt ta lt 500 ms 60 ms lt ta lt 200 ms 50 ms lt t4 lt 150 ms Trip out times according to EN 60364 4 41 Yoxla raat hin ta gt 999 ms ta lt 999 ms ta lt 150 ms roa eid ta gt 999 ms 130 ms lt ta lt 999 ms 60 ms lt ta lt 200 ms 50 ms lt ty lt 150 ms Trip out times according to BS 7671
92. ts ae k 14 99 k a O 3 of reading Maximal power of PV string 15 kW 99 MI 3108 EurotestPV Technical specifications 11 10 4 Uoc Isc DC Voltage oso OT deae 15 1 199 9 0 1 2 of reading 2 digits DC Current Measuring range A Resolution A 0 00 9 99 2 of reading 3 digits 10 00 15 00 2 of reading Maximal power of PV string 15 kW 11 10 5 Environmental parameters Solar Irradiance Probe A 1399 Measuring range W m Resolution W m 300 999 a 1 5 of reading 5 digits 1000 1999 i 5 of reading Measuring principle Pyranometer Operation conditions Working temperature range 40 C 55 C Designed for continuous outdoor use Temperature cell and ambient Probe A 1400 Measuring range C Resolution C 10 0 85 0 5 digits Designed for continuous outdoor use Notes a Given accuracy is valid for stable irradiance and temperature during the test 11 10 6 Insulation Resistance of PV systems Refer to chapter 11 1 Insulation Resistance Insulation Resistance of PV systems 100 MI 3108 EurotestPV Technical specifications 11 11 General data Power supply voltag 00000 9 Vpc 6x1 5 V battery or accu size AA OCUDESFATON secacscariuaceraciwacsieaeeolatanesenaians typical 20 h Charger socket input voltage 12V 10 Charger socket input current 400 mA max Battery char
93. ue should be set according to local regulative Range for adjustment of the Isc factor is 0 20 3 00 4 4 6 Commander support The support for remote commanders can be COMMANDER DISABLED enabled or disabled in this menu Figure 4 10 Selection of commander Support 29 MI 3108 EurotestPV Instrument operation Keys UP DOWN Selects commander option TEST Confirms selected option ESC Exits back to settings menu Function selector Exits back to main menu without changes Note a This option is intended to disable the commander s remote keys In the case of high EM interfering noise the operation of the commander can be irregular 4 4 7 Initial settings INITIAL SETTINGS Contrast Language Function Parameters In this menu the instrument settings measurement parameters and limits can be set to initial factory values Figure 4 11 Initial settings dialogue Keys UP DOWN Selects option YES NO TEST Restores default settings if YES is selected ESC Exits back to settings menu Function selector Exits back to main menu without changes Warning a Customized settings will be lost when this option is used a Ifthe batteries are removed for more than 1 minute the custom made settings will be lost The default setup is listed below Clamp settings ooo CLAMP 1 A1391 40A CLAMP 2 A1391 40A Solar settings see chapter 4 4 10 Solar Settings 30 MI 3108 EurotestPV Instrument operation T
94. ult by pressing the MEM key optional End of test Result examples E 0DODO 49 MI 3108 EurotestPV Measurements a c LV installations een Shima SG PR Son G E 46 Hms 25 TMZ lide bme 39 TMS xigh Ama 35 TMS xD Ta TME mE woe Tarma 11 1mS wet ME ME weit ME mE la ELE i nenep EHD Sonn G EHD Sona G xigh Ama 35 TMS xlide ve Ad ME xD Tarma 11 1m oe Tarm 1i ims SHES ME yee theme BBS L FE H 2 0 ii e206 O 231 E 230 x1lide Ame 35 fms xigh Ama 35 TMS woe Tarma 11 1mS woe Tarma 11 1mS tibns gt SHAMS pre Jaama shee E H WE teed Step 8 EHD Sond G lide bme 35 TMS woe ferme Lli ime z yee Shans 30 ME ff amA ff AmA L PE WH GE Big D a 2308 0 A 39g 290 Top Bottom Figure 5 22 Two parts of result field in RCD autotest 50 MI 3108 EurotestPV Measurements a c LV installations Displayed results gt ciated Step 1 trip out time tts IAN 0 X ee Step 2 trip out time 242 IAN 180 gt 6 Step 3 trip out time ti s OxIAN 0 MO E Step 4 trip out time t i OxIAN 180 XA iniiis Step 5 trip out time t27 xIAN 0 K ausi Step 6 trip out time t 2 2x1AN 180 Pa Step 7 trip out current 0 Peer Step 8 trip out current 180 UO cess Contact voltage for rated IAN a The autotest sequence is immediately stopped if any incorrect condition is detected e g exce
95. urements to check if the readings are stable 5 6 2 Voltage drop The voltage drop is calculated based on the difference of line impedance at connection points sockets and the line impedance at the reference point usually the impedance at the switchboard Circuits for measurement of voltage drop a a l l l l l l l Figure 5 30 Phase neutral or phase phase voltage drop measurement connection of plug commander and 3 wire test lead Voltage drop measurement procedure Step 1 Measuring the impedance Zref at origin Select the 8j sub function using the function selector keys and A Y keys Select test parameters optional Connect test cable to the instrument Connect the test leads to the origin of electrical installation see figure 5 30 Press the CAL key to perform the measurement Select the 8j sub function using the function selector keys and A Y keys Select test parameters Fuse type must be selected Connect test cable or plug commander to the instrument Connect the test leads to the tested points see figure 5 30 Press the TEST key to perform the measurement Store the result by pressing the MEM key optional 56 MI 3108 EurotestPV Measurements a c LV installations Step 1 Zref Step 2 Voltage drop Figure 5 31 Examples of voltage drop measurement result Displayed results 7 ASG ieee Voltage drop SC PE Prospective short circuit current TAIERE
96. using the function selector keys and Aly keys Select test parameters optional Connect test cable to the instrument Connect test leads to the item to be tested see figures 5 17 and 5 24 Press the TEST key to perform the measurement Store the result by pressing the MEM key optional 4 16 Tse 3535 3H Limils rH L PE N HIB pf lls Figure 5 25 Example of loop impedance measurement result Displayed results APAIN Fault loop impedance SC E Prospective fault current Lim Low limit prospective short circuit current value Prospective fault current Isc is calculated from measured impedance as follows I Unx ksc SC Z where fises Nominal UL pe voltage see table below kSC Correction factor for Isc see chapter 4 4 5 Input voltage range L PE 110V 93 V lt ULpe lt 134 V 230 V 185 V lt U_ pe lt 266 V Notes a High fluctuations of mains voltage can influence the measurement results the noise sign HiH is displayed in the message field In this case it is recommended to repeat few measurements to check if the readings are stable Q This measurement will trip out the RCD in RCD protected electrical installation if test Zloop is selected a Select Zs rcd measurement to prevent trip out of RCD in RCD protected installation 53 MI 3108 EurotestPV Measurements a c LV installations 5 6 Line impedance and prospective short circuit current Voltage drop Line impedanc
97. y functionality The input voltages are displayed in order to check proper connection before carrying out the test Figure 6 4 Examples of PV inverter test starting screens Settings and parameters for PV inverter test Inputs Outputs being measured AC DC AC_DC Connections for PV inverter test fd Figure 6 5 PV inverter test DC side 64 MI 3108 EurotestPV Solar measurements PV systems Figure 6 7 PV inverter test AC and DC sides PV inverter test procedure aa Sub function using the function selector keys and A Y keys Connect PV safety probe and current clamp to the instrument see figures 6 5 and 6 6 or Connect PV test lead A 1385 and current clamps to the instrument see figure 6 7 Connect accessories to the PV system see figures 6 5 to 6 7 Check input voltages Press the TEST key to perform the measurement Store the result by pressing the MEM key optional INVERTER AC DC Figure 6 8 Examples of PV inverter test results screens 65 MI 3108 EurotestPV Solar measurements PV systems Displayed results for PV inverter test DC column TEAT measured voltage at the input of the inverter EEEE measured current at the input of the inverter R measured power at the input of the inverter AC column U Peereceer tne measured voltage at the output of the inverter Dinen measured current at the output of the inverter A E S E measured power at the output of the inverter Menear calculated
98. y result a If measured currents and voltages are lower than 20 of set Imax Umax the accuracy will be impaired 79 MI 3108 EurotestPV Data handling 8 Data handling 8 1 Memory organization Measurement results together with all relevant parameters can be stored in the instrument s memory After the measurement is completed results can be stored to the flash memory of the instrument together with the sub results and function parameters 8 2 Data structure The instrument s memory place is divided into 3 levels each containing 199 locations The number of measurements that can be stored into one location is not limited The data structure field describes the location of the measurement which object block fuse and where can be accessed In the measurement field there is information about type and number of measurements that belong to the selected structure element object and block and fuse The main advantages of this system are a Test results can be organized and grouped in a structured manner that reflects the structure of typical electrical installations a Customized names of data structure elements can be uploaded from EurolinkPRO PCSW a Simple browsing through structure and results a Test reports can be created with no or little modifications after downloading results to a PC RECALL RESULTS foBJJOBJECT 002 ELO BLOCK 661 gt FUS FUSE 681 Figure 8 1 Data structure and measurement fields 80 MI 3108

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